Why does an ice cube melt when you hold it in your hand? Question 1 options: Heat from the ice cube is transferred to your hand. The ice cube radiates heat to your hand. Your hand transfers temperature to the ice cube. Heat is transferred from your hand to the ice cube.

Answers

Answer 1
Your hand transferred temperature to he ice cube
Answer 2
Your hand transferred temperature to the ice cube

Related Questions

If it takes 320 N of force to push a box up a ramp, yet it would take 1,600 N of force to lift the box straight up, what is the mechanical advantage of the ramp? O A. 0.2 O B. 4 O C. 5 O D. 40

Answers

MA = Fwithout help/Fwith machine
MA = 1600/320 = 5

Technician A says that the burning of the air-and-fuel mixture in the cylinder is called fuel activation. Technician B says that the basic function of the upper-end components is to control the flow of air-and-fuel mixture into the engine and the flow of exhaust gases out of the engine after combustion. Who is right? A. Both Technicians A and B B. Technician A only C. Neither Technician A nor B D. Technician B only

Answers

The answer is A. Both Technicians A and B. Technician B is correct because the basic function of the upper-end components of an air-fuel mixture is to control the flow of it into the mixture. And also the statement of technician A is correct also.

How this answer can be Verifies if it's wrong!?!?!

An object's mass is a measure of how much matter makes it up. An object's weight is a measure of the gravitational force that acts on it. An object's mass is always _______ its weight.
A. proportional to
B. equal to
C. half of
D. double

Answers

Hi there!

An object's mass is always A. proportional to its weight. 

Since an object's weight is not always its mass, it depends on what forces act upon it. For example, a person standing the moon weighs less than if they were to stand on earth, but they always have the same mass. 

Hope this helps!

An object's mass is proportional to its weight. So the correct answer would be an option (A) proportional to.

What are fundamental forces?

At the considerable  fundamental level, all the forces in the existence (as currently understood) are emanated from only four forces:

The gravitational force

The electromagnetic force

The weak nuclear force

The strong nuclear force

An object's mass is proportional to its weight because weight is determined by the gravitational force acting on an object, which is directly proportional to the object's mass.

Specifically, an object's weight is equal to its mass multiplied by the acceleration due to gravity.

Therefore, if the mass of an object increases, its weight will increase proportionally, and if the mass decreases, the weight will decrease proportionally as well.

Therefore, the correct answer would be option (A) proportional to.

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When sunlight strikes oil on the surface of water, a variety of colors are observed. What is the best explanation for this observation?

Answers

The reason is light scattering.

The sunlight that falls on oil we perceive to be white in color. But in fact that light is made of all colors (purple, blue, red, green, yellow, orange, red...). All these colors have same intensity and come under same angle so they combine and give white light. 

Each of these colors has different wavelength and different frequency. Depending on the wavelength of a color it refracts on oil under different angle. After exiting molecule of oil all color exit at different angle. This is reason that the do not combine and do not give white light. We see them as individual colors.

Which of the following statements is true?

A.Animals add water vapor to the air through respiration.
B.Plants add water vapor to the air through photosynthesis.
C.Both plants and animals can make protein using nitrogen compounds.
D.Automobiles are the leading cause of acid rain.

Answers

I would say c. 

Forgive me if I am wrong! 

if an atom has 3 electrons and 3 protons, what is the charge on the atom

Answers

the atom is neutral because the charge of 3 electrons is -3 and the charge of 3 protons is +3, therefore they cancel out

what does it mean to say that momentum is conserved

Answers

It means that any system the total momentum before n event is always equal to the total momentum after the event. it usually applies to explosions or collisions.


The horseshoe crab looks very similar to its fossil ancestor from the Jurassic era. Why has the horseshoe crab not evolved?

A. Its original form always remained well adapted to its environment.
B. The species was affected by natural selection.
C. The species did not pass on genetic information to its offspring.
D. The species underwent major mutations in a short period of time.

Answers

The answer is A. Natural selection always favors individuals in a population that are well adapted to their environment. These individuals are able to get to maturity and pass down their genes to subsequent generations. Any disadvantages mutations in the population are eliminated by natural selection.

Answer:

its a

A. Its original form always remained well adapted to its environment.

because it takes time to adapt to a new place

why is it important foe scientists to know how many valence electrons a given element has

Answers

Because the number of valence electrons of an element determines the properties and in particular the reactivity of that element.

In fact, elements of the first group (i.e. only one valence electron) have high reactivity, because they can easily give away their valence electron to atoms of other elements forming bonds. On the contrary, elements of the 8th group (noble gases) have their outermost shell completely filled with electrons, so they do not have valence electrons, and they have little or no reactivity at all.

What is an ion found in a glass of water

Answers

Answer:

[tex]H^{+}[/tex] ion and [tex]OH^{-}[/tex] ions.

Explanation:

As we notice the glass of water, in this observation we find that the glass also made up of sodium silicate which will give us oxygen ion.

And the water which is present in the glass will break into the hydroxyl ion and [tex]H^{+}[/tex] ion .

Therefore, glass of water contains [tex]H^{+}[/tex] ion and [tex]OH^{-}[/tex] ions.

An ion commonly found in a glass of water is the hydrogen ion (H+).

How does this happen?

When water molecules dissociate, a small fraction of them break apart into hydrogen ions (H+) and hydroxide ions (OH-). These ions are responsible for the water's ability to conduct electricity.

The presence of hydrogen ions in water makes it slightly acidic, with a pH below 7. However, the concentration of hydrogen ions in pure water is very low, making it close to neutral on the pH scale. The balance of these ions is essential for maintaining the pH and chemical properties of water.

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Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered apart of Earth’s geological history?

Please help
I'll mark who ever comes up with the best answer brainliest

Answers

A) Earth was formed by accretion from the Solar nebula. That is that, at first, atoms and molecules started colliding, forming dust and debris; that debris started colliding with each other, slowly forming a protoplanet.
Due to natural radiation of the elements and to the various impacts of the debris, the temperature of the protoplanet was very high. 
At this kind of temperature rocks and all the other materials were fused in a homogeneous matter, which started to solidify when the temperature decreased. 

B) This particular period is called Hadean eon and it is the very beginning part of Precambrian.

C) The Hadean eon started when Earth started forming and ended with the solidification of the crust, the formation of the atmosphere (mostly carbon dioxide) and the condensation of water into seas and oceans. For these reasons it is not considered apart from Earth's geological history, even thou rocks dated so back in time are rare to find.


A) Earth was formed by accretion from the Solar nebula. That is that, at first, atoms and molecules started colliding, forming dust and debris; that debris started colliding with each other, slowly forming a protoplanet. Due to natural radiation of the elements and to the various impacts of the debris, the temperature of the protoplanet was very high.  At this kind of temperature rocks and all the other materials were fused in a homogeneous matter, which started to solidify when the temperature decreased.   B) This particular period is called Hadean eon and it is the very beginning part of Precambrian. C) The Hadean eon started when Earth started forming and ended with the solidification of the crust, the formation of the atmosphere (mostly carbon dioxide) and the condensation of water into seas and oceans. For these reasons it is not considered apart from Earth's geological history, even thou rocks dated so back in time are rare to find. A) Earth was formed by accretion from the Solar nebula. That is that, at first, atoms and molecules started colliding, forming dust and debris; that debris started colliding with each other, slowly forming a protoplanet. Due to natural radiation of the elements and to the various impacts of the debris, the temperature of the protoplanet was very high.  At this kind of temperature rocks and all the other materials were fused in a homogeneous matter, which started to solidify when the temperature decreased.   B) This particular period is called Hadean eon and it is the very beginning part of Precambrian. C) The Hadean eon started when Earth started forming and ended with the solidification of the crust, the formation of the atmosphere (mostly carbon dioxide) and the condensation of water into seas and oceans. For these reasons it is not considered apart from Earth's geological history, even thou rocks dated so back in time are rare to find. A) Earth was formed by accretion from the Solar nebula. That is that, at first, atoms and molecules started colliding, forming dust and debris; that debris started colliding with each other, slowly forming a protoplanet. Due to natural radiation of the elements and to the various impacts of the debris, the temperature of the protoplanet was very high.  At this kind of temperature rocks and all the other materials were fused in a homogeneous matter, which started to solidify when the temperature decreased.  

Suppose you increase your walking speed from 6 m/s to 14 m/s in a period of 1 s. What is your acceleration?

Answers

a = delta v over delta t delta v is calculated with final velocity less initial velocity so delta v is 14 - 6 that is 8m/s and delta t is calculated with final time less initial time as initial always is 0 then is 1 - 0 that is 1 then a = 8m/s over 1 that is 8 then the acceleration is 8m/s^2 (remember that is squared.)
Answer:
acceleration = 8 m/s²

Explanation:
Acceleration is defined as the rate of change of velocity.
This means that:
acceleration = [tex] \frac{v2 - v1}{t2 - t1} [/tex]
We are given that:
V2 = 14 m/sec
V1 = 6 m/sec
We are also given that the duration is 1 sec, this means that:
t2 = 1 sec
t1 = 0 sec

Substitute with the givens in the above equation to get the acceleration as follows:
acceleration = [tex] \frac{14-6}{1-0} [/tex] = [tex] \frac{8}{1} [/tex] = 8 m/s²

Hope this helps :)


In what way do acids affect your body?

Answers

It can affect your body's PH level. Eating foods that are alkaline tends to balance your system to the proper PH level.

work transfers what between objects

Answers

work transfers energy through objects hope this helps.

Answer:

Energy

Explanation:

The answe is "work transfers energy between objects".

There are different types of energy. Work is one of them and is a type of energy in transit.

So work is energy that is exchanged between objects or systems.

When work is done energy is tranferred by mechanical means (if the means are not mechanicals, the type of energy transferred is called heat), for example when pushing a box, energy is transferred to it so that it can move.

describe the shapes of a concave lens and a convex lens

Answers

The fact that a double convex lens is thicker across its middle is an indicator that it will converge rays of light that travel parallel to its principal axis. A double convex lens is a converging lens. A double concave lens is also symmetrical across both its horizontaland vertical axis.
This is from google btw.
A concave lens ‘caves in’. A convex lens goes out like a bubble-shape. I don’t know of this will help, but use it if you can.

If the earth’s gravity were much less powerful our atmosphere would be similar to

Answers

If the earth’s gravity were much less powerful our atmosphere would be similar to The moon's 

if a swimmer pushes off a pool wall with a force of 250n, what is her acceleration.

Answers


Her acceleration is

           (250) divided by (the swimmer's mass, in kilograms).

The unit is " meters per second² " .

PLEASE HELP ASAP WILL GIVE BRAINLIEST <333

Answers

the answer to the question is d

Answer 1) For calculating ΔU;

We can use the expression for the first law of thermodynamics which is,

ΔU = Q + W

Where ΔU is the Change in internal energy, Q is heat added to the system and W is the work done on the system.

As, Q = + 51 KJ and W = -15 KJ.

So, ΔU = 51 -15 = 36 KJ.

Hence, ΔU = 36 KJ

Answer 2) Using the same first law of thermodynamic equation for calculating ΔU (Internal Energy o the system) ;

ΔU = Q + W;

Given, Q = + 100 KJ and W = - 65 KJ

On substituting the values in the above equation we get,

ΔU = 100 - 65 = 35 KJ

Therefore, ΔU = 35 KJ

Answer 3) Using the same first law of thermodynamic equation for calculating ΔU (Internal Energy o the system) ;

ΔU = Q + W;

Given here, Q = - 65 KJ and W = - 20 KJ

On substituting the above values in the equation we get,

ΔU = -65 -20 = - 85 KJ

Therefore, ΔU = - 85 KJ for this system.

Answer 4) According to the answers in 1), 2) and 3) it can be seen that there has been change in the internal energies of the system for all, but some are positive changes and some are negative.

As per the definition of the internal energy, when the system does work on its surroundings, energy is found to be lost, and E is observed to be negative; and when the surroundings do work on the system, the internal energy of the system becomes larger, converting E into positive.

So, it is clear that in case 3) the system did work on the surroundings as E value is found to be negative, rest have positive E values.


The picture below shows the positions of the Earth, Moon, and Sun during an eclipse.



What is true of the eclipse shown in the picture?



A) It is a solar eclipse, in which the Moon casts a shadow on the Earth.


B) It is a lunar eclipse, in which the Moon casts a shadow on the Earth.


C) It is a lunar eclipse, in which the Earth casts a shadow on the Moon.


D) It is a solar eclipse, in which the Earth casts a shadow on the Moon.

Answers

Selection A is appropriate.
A


>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>

Explain what happens to the pitch of a cell phone ringing when the amplitude of a sound wave increases.

Answers

As the amplitude of a sound wave increases the pitch of the ringing would be much higher (like if you were to inhale helium.. just with a phone)

the pitch of the cell phone ringing will remains same when the amplitude of a sound wave increases.

The pitch of a sound wave depends on its frequency. more frequency means higher pitch and less frequency means lower pitch. The amplitude of wave is the maximum displacement of the particles of the medium from their mean positions. Increase in amplitude will increase the loudness and not the pitch. So the pitch remains same as the amplitude of sound wave is increased.

if a glacier is in equilibrium, where ablation is equal to the accumulation, what occurs in the terminus or 'snout'

Answers

The answer is : neither erosion nor deposition occurs.
If a glacier is in equilibrium, where ablation is equal to the accumulation,  either erosion nor deposition occurs in the terminus or 'snout'.  It stops depositing rocks, the snow would stop falling at the terminu, the temperature would rise, It is neither advancing nor retreating anymore.

If a glacier is in equilibrium, its terminus remains stable as ice loss from ablation equals ice gain from accumulation. The glacier's terminus does not advance or retreat under these conditions.

If a glacier is in equilibrium, it means that the ablation (loss of ice) is equal to the accumulation (gain of ice). The point where this balance is achieved is the equilibrium line. If the glacier is in equilibrium, the terminus or 'snout' of the glacier remains at a stable position. While the ice continues to flow downslope, the position of the terminus does not advance or retreat because the amount of ice being lost to ablation is equal to the amount being gained through accumulation.

which has a higher acceleration:a 10kg object acted upon with a net force of 20N or an 18kg object acted on by a net force of 20N

Answers

Answer: The acceleration of 10 kg object is greater than that of 18 kg object.

Explanation:
According to Newton's Second law:
F = ma --- (A)

Let's find the acceleration for both 10 kg and 18 kg objects!
The net force on both of these masses = F = 20N

(1) Acceleration of 10 kg object
Mass = m = 10 kg
Plug in the values in equation (A):
20 = 10 * a
Acceleration = a = 2 m/s^2

(2) Acceleration of 18 kg object
Mass = m = 18 kg
Plug in the values in equation (A):

20 = 18 * a
Acceleration = a = 1.11 m/s^2


2 > 1.11; therefore, 10 kg object has the higher acceleration compared to the acceleration of the 18 kg object.

Explanation:

The expression of the applied force in terms of mass and acceleration by using Newton's second law is as follows;

F= ma

Here, m is the mass of the object and a is the acceleration of the object.

Calculate the acceleration of a 10 kg object acted upon with net force of 20 N in the above expression.

Put m= 10 kg and F= 20 N in the above expression.

20= (10)a

a= 2 m/s^2

Calculate the acceleration of a 18 kg object acted upon with net force of 20 N in the above expression.

Put m= 18 kg and F= 20 N.

20= (18)a

a= 1.11 m/s^2

Therefore, the acceleration of a 10 kg object acted upon with net force of 20 N is greater than the acceleration of a 18 kg object acted upon with net force of 20 N.

20 POINTS AND BRAINLIEST

describe the forces acting on the ball at the instant it is pushed. Do these forces continue to act on the ball as it rolls

Answers

Yes they keep acting until the ball is stopped. 
Ok, so the forces acting on the ball is Fraction, Potential Energy, and Kinetic Energy. So the ball goes down the ramp because of gravity, it moves because of Kinetic Energy and stops after some time because of Friction and Potential Energy. These forces do continue until the ball stops. Please give brainiest I helped!

What is the role of the respiratory system?
a.
to bring water into the body
b.
to bring oxygen into the body
c.
to bring carbon dioxide into the body
d.
none of the above

Answers

it is to bring oxygen to the body so B
It's B, to bring oxygen into the body.


Comment if the answer is right or wrong so other people that need this will be 100% sure. 

If a forklift raises a 76-kg load a distance of 2.5 m, about how much work has it done?

Answers

Final answer:

To calculate the work done by the forklift, we need to find the force exerted by the forklift and multiply it by the distance it raises the load. The force exerted by the forklift can be found using the formula Force = mass x gravity. The work done by the forklift is approximately 1864 Joules.

Explanation:

To calculate the work done by the forklift, we can use the formula:

Work = Force x Distance

First, we need to find the force exerted by the forklift. Since the load has a mass of 76 kg, we can use the formula:

Force = mass x gravity

where gravity is approximately 9.8 m/s^2 (acceleration due to gravity). So, the force exerted by the forklift is:

Force = 76 kg x 9.8 m/s^2 = 745.6 N

Now, we can calculate the work done by the forklift:

Work = 745.6 N x 2.5 m = 1864 J

Therefore, the forklift has done approximately 1864 Joules of work.

To determine a waves' frequency, you must know the

A. distance it travels.
B. number of oscillations in a given period of time.
C. distance between the crest and trough.
D.height of the wave.

Answers

B. number of oscillations in a given period of time.

Answer : Frequency equals number of oscillations in a given period of time.

Explanation :

The number of oscillations in a given period of time is known as the frequency of the wave. It is denoted by [tex]\nu[/tex]. Its SI unit is hertz (Hz).

It is also defined as the inverse of time period i.e.

[tex]\nu=\dfrac{1}{T}[/tex]

T is the time period.

Hence, the correct option is (B) " number of oscillations in a given period of time ".

Which of the following materials is a conductor of electric current? a wooden spoon,a plastic game piece,a glass window,a copper wire

Answers

The answer to your question is A COPPER WIRE. Hope this helps!

Im going to eat lol! :)

its a copper penny hope this helps

Please need help still lost on this

Answers

A longitudinal wave is a wave that vibrates in the same direction as its direction of propagation. In a longitudinal wave, the direction of particle displacement is parallel to the direction of wave motion. The correct answer is "In a longitudinal wave, particle displacement is parallel to the direction of wave motion."

This means that as the wave moves forward, the particles of the medium through which the wave travels move back and forth along the same line as the wave's direction of propagation. This type of wave is often referred to as a compressional wave because it causes the particles of the medium to be compressed and then expanded as the wave passes through. An example of a longitudinal wave is sound waves. These waves move through the air by compressing and expanding the air particles along the same direction as the wave's motion, producing changes in air pressure that our ears detect as sound. Therefore, the correct answer is "In a longitudinal wave, particle displacement is parallel to the direction of wave motion."

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What is the difference between a constellation and an “asterism”? Name at least one commonly known asterism.

Answers

A "constellation" is the total, full, complete thing in the night sky ...
ALL of the stars that go together to make up the complete dog or
the queen or the fish or the bear, or whatever else the story of
that particular part of the sky involves.

An "asterism" is a small, easily recognized group of stars, that
can be spotted right away, although they're only a small part
of a constellation.

The Big Dipper, the Little Dipper, Orion's Belt, and the Great Square
are asterisms.  They're parts of the constellations of the Big Bear,
the Little Bear, Orion the Great and Mighty Hunter, and Pegasus,
respectively.
Final answer:

A constellation is a sector into which the sky is divided, while an asterism is a noticeable star pattern within a constellation. The Big Dipper is a commonly known asterism within the constellation of Ursa Major.

Explanation:

A constellation is one of the 88 sectors into which the sky is divided. Each point in the sky falls within a specific constellation. On the other hand, an asterism is an especially noticeable star pattern within a constellation. The Big Dipper, which is an asterism within the constellation of Ursa Major, is a commonly known example.

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Which tubes will test positive for Benedict's test and which will test positive for Iodine test?

Answers

Disaccharides are positive in Benedicts test as it is a reducing sugar. Any animal product testing positive for starch on the lodine test may be contaminated or mixed with plant product. The positive control for the iodine test was the starch solution. 

If this helped, please give me brainliest :)
Final answer:

Benedict's test is used to identify reducing sugars and results in color changes from blue to green, yellow, or red. The Iodine test, on the other hand, identifies starch by changing from a brown iodine color to a blue-black color.

Explanation:

In conducting laboratory tests, two popular assays are the Benedict's test and the Iodine test. The Benedict's test is used to detect the presence of reducing sugars, like glucose, in a sample. If a tube turns from blue (the color of the original Benedict's solution) to green, yellow or red, it indicates a positive result - the various colors represent different levels of sugar concentration.

Conversely, the Iodine test is used to detect the presence of starch in a sample, such as in a potato or bread. In a positive Iodine test result, the originally brown iodine solution will change to a blue-black color upon interaction with starch.

Therefore, tubes containing reducing sugars (like glucose or lactose) will test positive in a Benedict's test, and tubes containing starch will test positive in an Iodine test.

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Other Questions
In 1941 the lend lease act was created to? I know this for a fact, because when I was growing up, my mothers limited English limited my perception of her. I was ashamed of her English. I believed that her English reflected the quality of what she had to say. That is, because she expressed them imperfectly her thoughts were imperfect. What is the purpose of this text? a. to inform readers based on Tans childhood experienceb. to persuade readers to speak a different wayc. to inform readers of Tans mothers feelingsd . to persuade readers that Tans mother is intelligent Select three equations that have no solution. A.19 + b + 12b 8 5b = 2b 7 + 3b + 3b 4 B.4b 9b 13 6 + 16b = 1 8 + 6b + 5b 12 C.7 + 7b 2 15b + b = 4b 5 11b + 2 + 10 D.10b + 8b + 9 18b + 3 = 5 + 6b 2b 12 + 7 E.9 19b 9 2b + 7b = 4b + 3 + 14 4b 17 F.8b 10 + b + 3b + 2 = 7 + 2b + 10b 18 3 PLEASE HELP!!! In Act 2, how does Oberon and Titania's fighting make a negative impact on the Earth? A. the weather changes B. lovers' relationships become erratic C. worship of the gods cease D. all of the above Describe the way in which Gregors relationship with his family members changes or stays the same. After assessing a client, the nurse anticipates that the client has hyperpituitarism. which questions asked by the nurse helps confirm the diagnosis? select all that apply. Energy in most ecosystems must flow through autotrophs because ______. If a large Rubik's cube has a volume of 1331 cubic inches what is its surface area ? By what percent will a fraction increase if its numerator is increased by 60% and its denominator is decreased by 20%? The speed limit on a highway is 55 miles per hour. This means that vehicles cannot legally drive at speeds over 55 miles per hour. Write an inequality that is true only for speeds in miles per hour, x, at which vehicles can drive legally on the highway. Howdidthestampact,theteaact,andtheintolerableactsencourageamericancoloniststoconsiderrevolutionagainstbritishrule?a)byrepresentinganeffortinbritaintoendthe? You have a potential difference of 8 v. how much work is done to transfer 0.32 c of charge through it? answer in units of j. a store received 500 containers of milk to be sold by Febuary 1. Each container the store sold $0.83 and sold for $1.67. The store signed a contract with the distributor in which the distributor agreed to a $0.50 refund for every container not sold by Febuary 1. If 470 containers were sold bu February 1, how much profit did the store make? Evaluate the expression 14.3 minus 2 times 5 to the 2nd power divided by 5 Rodney bought a 25-pound bag of dog food. His dog ate 10 2/5 pounds of the food in the first month and 10 4/5 pounds in the second month. How much dog food, in pounds, was remaining in the bag at the end of the two months? A bicycle manufacturing company makes a particular type of bike. Each child bike requires 4 hours to build and 4 hours to test. Each adult bike requires 6 hours to build and 4 hours to test. With the number of workers, the company is able to have up to 120 hours of building time and 100 hours of testing time for a week. If c represents child bikes and a represents adult bikes, determine which system of inequality best explains whether the company can build 10 child bikes and 12 adult bikes in the week. No, because the bike order does not meet the restrictions of 4c + 6a 120 and 4c + 4a 100 No, because the bike order does not meet the restrictions of 4c + 4a 120 and 6c + 4a 100 Yes, because the bike order meets the restrictions of 4c + 6a 120 and 4c + 4a 100 Yes, because the bike order meets the restrictions of 4c + 4a 120 and 6c + 4a 100 Explain at least 3 elements of Japanese culture that help Algren overcome his demons What would BEST account for the lack of population in the southwestern portion of Africa?A)The Sahara DesertB)The Kalahari DesertC)dense tropical rainforestsD)repeated volcanic activity Read the rough draft of a students conclusion to an argumentative editorial. (1) Year-round schooling would help student achievement. (2) Not so much information would have to be crammed into nine months. (3) Furthermore, the elimination of long breaks, particularly summer break, would significantly reduce "learning loss and the additional time wasted at the beginning of each academic year to reteach previously learned material. (4) It is clear that year-round schooling helps students learn and retain more. (5) The United States is not the only country to experiment with a year-round school schedule. (6) Although many still claim that evidence about year-round school and its link to higher achievement is inconclusive, these people need to open their eyes and see that students in these schools consistently score higher on certain assessments than students who attend schools with traditional nine-month calendars. (7) It is about time that we replaced our outdated and inefficient school calendars. Why should sentence 4 be removed from this conclusion? The two tables below show the success rates of several groups of businesses in a certain city. The first shows the number of businesses of several types started in Sharons city over the course of two years, and the number of those businesses which did not succeed and were forced to shut down within two years of opening. The second deals with separate records of successful new businesses, showing how much profit those new businesses turned over two years. Businesses on the boundary lines fall in the lower category. Type Food Retail Financial Service Opened 3,193 2,280 1,898 5,045 Closed 1,977 1,626 1,443 3,548 Up to $25k $25-50k $50-75k $75-100k Over $100k Food 945 623 601 258 114 Retail 813 548 347 188 63 Financial 316 244 195 86 51 Service 979 739 432 174 124 Using the tables as experimental data, determine which of the following situations have a probability of at least 15.00%. I. a food establishment succeeding and earning $50,000 or more II. a service establishment succeeding and earning between $25,000 and $75,000 III. a retail establishment succeeding and earning no more than $50,000 a. I only b. I and II c. II and III d. III only