if you put something like a piece of cardboard between a magnet and an iron nail the magnets to hold the nail in place even though the magnet is not touching the nail explain how that happens

Answers

Answer 1

Answer:

Explanation:

Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.

Answer 2

Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.

What is Magnetic force?

One of the four fundamental forces of nature, the electromagnetic force, results in the magnetic force, which is brought about by the motion of charges.

When two charge-containing objects move in the same direction, a magnetic attraction pulls them together. Similar to this, there is a repulsive force between charged objects travelling in opposing directions.

We discovered how moving charge envelops itself with a magnetic field in our essay on magnetic fields. The magnetic force in this sense is a force that results from interacting magnetic fields.

Therefore, Magnetic forces are non contact forces; they pull or push on objects without touching them. Magnets are only attracted to a few 'magnetic' metals and not all matter. Magnets are attracted to and repel other magnets.

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Related Questions

Which of the following best describes a direct current?

A. A circuit that has only series or only parallel components

B. Charge that jiggles back and forth very quickly

C. Charge that moves in a single direction

D. A circuit that has both series and parallel components

Answers

Best description a direct current is Charge that moves in a single direction.

What is charge?

Charged material experiences a force when it is exposed to an electromagnetic field due to the physical characteristic of electric charge. You might have a positive or negative electric charge. Unlike charges attract one another while like charges repel one another.

A positively charged nucleus and one or more negatively charged particles known as electrons make up an atom.

Best description a direct current is Charge that moves in a single direction.

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Answer:

C. Charge that moves in a single direction

Explanation:

What is the current in a 160V circuit if the resistance is 2Ω? V= I= R =

Answers

Answer:

80 amperes

Explanation:

Current in the circuit = ?

Voltage in the circuit = 160 Volts

Resistance = 2 Ω

Voltage = Current x Resistance

V = IR

160V = I x 2 Ω

I = 160V / 2 Ω

I = 80 Amperes

Therefore the current in the circuit is 80 amperes :)

The current through the 160V circuit with a resistance is 2Ω is 80 Ampere.

What is the current flowing through the circuit?

From Ohm's law, the relationship between voltage (V), current (I), and resistance (R) can be expressed as:

V = I × R

Given the parameter:

Voltage V = 160 V

Resistance R = 2 ohms

Current I = ?

Plug the given value into the equation and solve for the current I:

V = I × R

160 = I × 2

I = 160/2

I = 80 Ampere

Therefore, the current I is 80 Ampere.

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Car A and Car B are both driving towards each other. Car A's speedometer shows that it is going 30 mph. Car B's speedometer shows that is going 45 mph. What is Car B's speed relative to Car A?
Select one:
-120 mph
-45 mph
-30 mph
-30 mph
-75 mph

Answers

Answer:

120 mph I don't know for sure but still this came in my mind

Which type of motion most accurately describes the behavior of a friction -less pendulum?

A) Circular motion
B) Periodic Motion
C) One - dimensional Motion
D) Two - dimensional Motion

Answers

Answer:

B) Periodic Motion

Explanation:

When a pendulum is friction-less, i.e there are no damping forces acting on it, its motion will be periodic, i.e it will bob up and down going from potential energy to kinetic energy and back. Thus, the motion of the pendulum can be best described by the term "period motion", hence choice B.

If however, forces do act on the pendulum, and if they acts as to damp the pendulum, it will oscillate less and less as time goes by, and eventually come to a stop (in the real world this damping force is usually air resistance ). And if the force acts in such a way that it increases the oscillations, the pendulum will swing higher and higher, and the system will go haywire! :)

IF SOMEONE CAN ANSWER THESE QUESTIONS ILL GIVE BRAINLIEST!!!!! Pls

Answers

Answer:

4.Gravity

5.compressible

6.shear force

Explanation:

How do lines of latitude affect how direct or indirect the Sun’s rays are on the Earth?

Answers

Answer:

Explanation:  We have seasons because Earth's axis – the imaginary line that goes through the Earth and around which the Earth spins — is tilted. It's tilted about 23.5 degrees relative to our plane of orbit (the ecliptic) around the Sun. As we orbit our Sun, our axis always points to the same fixed location in space. Our northern axis points almost directly toward Polaris, the North Star.

What is the dry adiabatic rate?

Answers

Answer:

Explanation:

he dry adiabatic rate is the rate at which dry air changes its temperature as a result of expansion or compression. The dry adiabatic rate is 1.0o C/100 meters. Air rises and cools at the dry adiabatic rate up to the level of condensation where dew point temperature is reached.

Final answer:

The dry adiabatic rate is the rate of temperature change in unsaturated air as it ascends or descends in the atmosphere, approximately 1 degree Celsius per 100 meters. This rate applies until the air becomes saturated, after which it cools at the wet adiabatic rate.

Explanation:

The dry adiabatic rate, often used in meteorology, refers to the rate at which a parcel of dry or unsaturated air changes temperature as it moves vertically in the atmosphere. This rate is approximately 1 degree Celsius per 100 meters (or 10 degrees Celsius per kilometer) of ascent or descent. However, this rate holds true only for dry or unsaturated air; once air becomes saturated, it cools at a different rate known as the wet adiabatic rate.

To illustrate, imagine a balloon filled with air that's heated and starts to rise. As the balloon ascends, the pressure around it decreases. This causes the air in the balloon to expand and cool. This cooling process continues at the dry adiabatic rate until the air in the balloon becomes saturated.

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In the Bronsted-Lowry Theory of acids and bases, an acid is this.

Answers

Final answer:

In the Brønsted-Lowry theory, an acid is a species that can donate a proton, expanding the definition of acids and bases beyond the Arrhenius theory to include a wider variety of chemical reactions.

Explanation:

According to the Brønsted-Lowry theory of acids and bases, an acid is defined as a species that can donate a proton (hydrogen ion, symbolized as H+) to another molecule. This concept was introduced in 1923 when Johannes Brønsted and Thomas Lowry independently proposed that acids and bases should be defined by their ability to donate and accept protons, respectively. This definition broadened the understanding of acids and bases beyond the previous Arrhenius definition, which was limited to substances dissociating in water to provide hydronium and hydroxide ions.

For example, in the reaction between ammonia (NH3) and water (H2O), ammonia acts as a Brønsted-Lowry base by accepting a proton from water, which acts as a Brønsted-Lowry acid. As a result, the ammonium ion (NH4+) and hydroxide ion (OH−) are formed:

NH3(aq) + H2O(l) ⇒ NH4+(aq) + OH−(aq)

Help ASAP, will give brainliest!!!
Which type of nuclear reaction produces a neutron, energy, and one large nuclei?

A. nuclear fission

B. nuclear fusion

C. thermodynamic reaction

D. combustion

Answers

Answer:

A

Explanation:

I think it is Nuclear fission because it can release a large amount of energy.i hope this helps☺️

Meclanical Energy
Which of the following has the most
kinetic energy?
A. stretching a rubber band
B. a jet flying through the air
throwing a paper airplane
D. pitching a baseball
C
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DELLE HHI
HELEHHHHHHHHHHHHHHHHHHHHH
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RETILI
TERSEHEHEEEEVE
CETTE
PITHEELIEBTEILULITRIIL
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ETTERITIE
D EPPS
HELHEFTIRILATEESEEN
HILTI TITULI
HTETITELLEH
TITUTI
TIITTIILIDE
HEHEHE
ETILIHITTE

Answers

Answer:

a jet flying through the air making a paper airplane

Which of the following is true for the image formed in a plane mirror? (Select all that applies) The image...

A. is behind the mirror
B. has the same size as the object
C. is formed as the same distance from the mirror as the object
D. is flipped relative to the mirror
E. cannot be seen

Answers

Answer:

right options are:

A

B

C

D

Using the periodic table, predict the formulas of stable ionic compounds. Select THREE that are correct.
Bas, barium sulfide
MgCl2, magnesium chloride
KO, potassium oxide
LiBr2, lithium bromide
Na20, sodium oxide

Answers

The first one,second one and the forth one are correct

The formulas of stable ionic compounds are:

MgCl₂, magnesium chloride

LiBr₂, lithium bromide

Na₂O, sodium oxide

What are Ionic compounds?

They are neutral compounds made up of positively charged ions called cations and negatively charged ions called anions.

The stable ionic compounds out of the given option are:

MgCl₂, magnesium chloride

LiBr₂, lithium bromide

Na₂O, sodium oxide

They are formed when a cation and anion reacts to form a stable compound. It is based on the valency or the charge of the particular ion.

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Which point has the greatest electric potential energy?

Answers

Answer:

D on Edge

Explanation:


A student adds 10 mL of hydrochloric acid to a 20 ml sodium hydroxide solution. What will most likely happen to the pH of the solution?

Answers

Answer: The pH decreases

Explanation:

- Hydrochloric acid, as an acid has a pH value below 7

- Sodium hydroxide, as an alkali has a pH value above 7.

The alkali neutralizes the acid to give a salt as in the equation:

HCl(aq) + NaOH(aq) --> NaCl(aq) + H2O(l)

Hence, the aqeous sodium chloride, NaCl has a pH value of 7 (neutral) which is then a decrease from the above 7 pH value of the sodium hydroxide solution.

Thus, the pH decreases

Please help!
SELECT ALL THAT APPLY
The following diagram shows the path of a planet around the Sun. Kepler discovered that ____.
1. area A = area C.
2. the distance from P2 to P3 equals the distance from P5 to position P6
3. the speed in the interval from P4 to be P5 equals the speed in the intervals from P6 to P1
4. the speed on the interval from P4 to P5 is greater than the speed in the interval from P1 to P2
SELECT ALL THAT APPLY​

Answers

Answer:

I think the answer is 3 and 4

Answer:3 and 4

Explanation:

16. Compared to your weight and mass on Earth, if you were on the moon: *
A. your weight and mass would be less.
B. your weight would be less but your mass would remain the same.
C. your weight would remain the same, but your mass would be less.
D. your weight would increase, but your mass would remain the same.

Answers

Answer:

The answer is D.

Explanation:

There is no gravity in Space so that means that it will decrease your weight but not your mass.

Please give Brainiest
Final answer:

Your mass would remain the same on the Moon or any other celestial body because it is a constant measure of the matter within you. However, your weight would be less on the Moon due to its weaker gravitational pull compared to Earth. The correct answer, therefore, is B - your weight would be less but your mass would remain the same.

Explanation:

When considering the comparison of weight and mass on the Moon versus the Earth, it's important to clarify the difference between the two concepts. Mass is a measure of the amount of matter in an object, and it remains constant regardless of location. On the other hand, weight is the force exerted on an object due to gravity and varies depending on the gravitational pull of the celestial body you're on.

The acceleration due to gravity on the Moon is approximately 1.625 m/s², significantly less than the Earth's gravitational acceleration of 9.80 m/s². So, if you were to move from Earth to the Moon, your mass would remain the same because the quantity of matter you consist of does not change. However, because the Moon's gravity is weaker, you would weigh less. This decrease in weight is attributed to the lower gravitational pull, not to a loss of mass.

The correct answer to the question posed is: B. your weight would be less but your mass would remain the same. This reflects the understanding that while the gravitational force acting on you decreases, the actual matter that you are made of does not change.

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Which of the following is NOT a
state of matter?
A. gas
B. light
C. liquid
D. solid

Answers

Answer:B

Explanation:

Answer:

b

Explanation:

Because light is not a state of matter

ANSWER PLS THIS WILL BRING MY GRADE REALLY HIGH UP Which of the following is not a compound
Question 7 options:


H2



CH4



C2 + H3 + O2 = C2H3O2



H2O

Answers

3 rd one because I had this on my test
The 3rd one its not fully so it’s just a run on

Electrons are transferred in the formation is blank bonds

Answers

Answer:Electrons are transferred in the formation is ionic bonds.

Explanation:Why is because ionic bonds are caused by electrons transferring from one atom to another.

Electrons are transferred in the formation of ionic bonds, leading to the creation of oppositely charged ions that attract each other due to electrostatic forces. This process differs from covalent bonding, which involves the sharing of electrons instead of a full transfer.

Electrons are transferred in the formation of ionic bonds. When an electron is transferred from one atom to another, it results in the creation of two oppositely charged ions: a cation, which is positively charged, and an anion, which is negatively charged. These ions are then attracted to each other due to their opposite charges, and this electrostatic attraction is what constitutes the ionic bond.

Unlike covalent bonds, where electrons are shared between atoms, ionic bonding involves a full transfer of electrons. Ionic compounds, such as sodium chloride (NaCl), are typical examples where the sodium atom donates an electron to the chlorine atom, leading to the formation of Na+ and Cl- ions.

Furthermore, ionic bonds are essential in creating compounds with stable electron configurations, often resulting in the formation of a crystalline lattice structure. The strength of the ionic bond is influenced by the charge and size of the ions. Highly charged and smaller ions will tend to form stronger ionic bonds due to the greater electrostatic forces at play.

Earthquakes can cause great damage and injury. The solution to this problem is to warn people about possible earthquakes through various forms of media: radio, television, on-line sources. Scientists constantly monitor seismic data to warn people of potential earthquake danger. Which statement BEST summarizes the quality of the solution to this problem?
A) The solution is well designed as early warning can help scientists control earthquakes.
B) The solution is poorly designed since we are not doing anything to stop the destruction of an earthquake.
C) The solution is adequate considering the resources we have; we cannot stop an earthquake but we can alert people so they can protect themselves.
D) The solution is well designed because seismic data can help scientists stop earthquakes as well as warn the human population of the up-coming possible dangers.

Answers

The answer of the question is b

The current in a lamp is 0.5 ampere when it is plugged into a standard wall outlet. What is the resistance of the lamp when it is plugged into a standard wall outlet?

Answers

The resistance of the lamp plugged in to a standard wall outlet with a current of 0.5 amps is 240 Ω (ohms)

Explanation:

In the United States Of America the standard voltage is 120 v and their frequency is 60 Hz

Standard wall outlet voltage is 120 V

The current in the lamp is 0.5 ampere

Resistance (R) = V/ I

      = 120/0.5

      = 240Ω (ohms)

Thus the resistance of the lamp plugged in to a standard wall outlet with a current of 0.5 amps is 240 Ω (ohms).

The resistance of the lamp when it is plugged into a standard wall outlet is 240 Ohms.

Given the following data:

Current = 0.5 Ampere

Note: In the United States of America, a standard wall outlet supplies a voltage of 120 Volts.

To determine the resistance of the lamp when it is plugged into a standard wall outlet, we would apply Ohm's law:

Ohm's law states that at constant temperature, the current flowing through an electrical circuit is directly proportional to the voltage (potential difference) applied across its terminals and inversely proportional to the resistance in the electrical circuit.

Mathematically, Ohm's law is given by the formula;

[tex]V=IR[/tex]

Where;

V is the voltage measured in Volts.I is the current measured in Ampere.R is the resistance measured in Ohms.

Making R the subject of formula, we have:

[tex]R=\frac{V}{I}[/tex]

Substituting the given parameters into the formula, we have;

[tex]R=\frac{120}{0.5}[/tex]

Resistance, R = 240 Ohms

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We all know that the Earth cycles through a regular pattern of days and nights.
What causes this pattern?

A) The tilt of the Earth on its axis.
B) The sun turns on, and then goes out.
C) The rotation of the Earth on its axis.
Eliminate
D) The rotation of the sun around the earth.

Answers

The answer would be C) The rotation of Earth on its axis, because everything on Earth is spinning at the same speed but we can’t feel it. I can’t explain this well, sorry if you don’t understand what I’m trying to say!

Why is your reflection upside down (inverted) on a spoon when you are far away from it

Answers

Your image appeared upside down because of the inward curve of the spoon. The surface of the spoon which is curved inwards acts like a concave mirror. ... When you see yourself in a spoon which is like a concave mirror. The light rays from your face fall on the top of the spoon and get reflected downward. Your welcome pls thank it have a nice day now

Answer:

because the spoon it is concave

Explanation:

Approximately eleven million people are diagnosed with cancer each year. Thus, many countries, including the United States, spend millions of dollars annually on cancer research. Which of the following statements is best supported by the above information?

A.

The United States is the only country concerned about cancer.

B.

More money should be spent on science.

C.

Social concerns can affect science.

D.

Cancer is the only disease that should be researched.



Answer this question and you get brainliest. Ok, ok

9+10=?

Answers

Answer:

C.

Explanation:

(Coronita virus)

17

Answer:

i dont know

Explanation:

What is electrical
energy?
A
holds the atoms in the molecule
B holds protons and neutrons in the nucleus
C energy carried by light

D energy of moving electrons
Help meeeeeeee
30 points

Answers

The answer is D. Energy of moving electrons

Groups of stars that are smaller than galaxies are called
(two words)
Enter the answer

Answers

Group of stars that are smaller than galaxies are called star clusters

Final answer:

Groups of stars smaller than galaxies are known as star clusters, including open clusters with younger stars, and are much smaller than galaxies like the Milky Way.

Explanation:

Groups of stars that are smaller than galaxies are known as star clusters. These formations range from hundreds to thousands of stars bound together by gravity. Among star clusters, there are two main types: open clusters and globular clusters. The former consists of younger stars that typically have formed out of the same nebula and can include up to a few thousand stars.

Examples include entities like the Jewel Box. On the larger scale, galaxies like the Milky Way are vast collections of stars, with numbers ranging from a few million to many billions. The Milky Way, which contains all the stars we can see in the night sky, has a diameter of about 100,000 light-years, contrasting with the smaller star clusters.

The molecular compound that has a ratio of two oxygen atoms
to one carbon atom is named

Answers

Carbon dioxide

MoleculesA molecule is a chemically bound collection of two or more atoms that are electrically neutral. The absence of an electrical charge distinguishes molecules from ions. A molecule is a group of two or more atoms of the same or distinct elements that are chemically linked together.The chemical molecule with a two-to-one oxygen-to-carbon atom ratio is known as carbon dioxide.

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HELP PLEASE!
Which of the following statements is a true statement about the use of nuclear energy as an alternative energy source?

A. Production of electricity from nuclear energy does not produce dangerous radioactive waste products.

B. Production of electricity from nuclear energy is a lot more expensive than production of energy from fossil fuels.

C. Production of electricity from nuclear energy does not produce greenhouse gases that contribute to global warming.

D. Uranium is a renewable resource

Answers

Answer: C

Production of electricity from nuclear energy does not produce greenhouse gases that contribute to global warming

Explanation: Nuclear energy is considered as non-renewable energy source. Although nuclear energy itself is a renewable energy source, the material used in nuclear power plants is not.

Nuclear power emits more greenhouse gases per kilowatt hour than all renewables, including biomass, hydroelectric, solar and wind. Reactors produce significantly less carbon dioxide than all fossil fuels. We can therefore conclude that Production of electricity from nuclear energy does not produce greenhouse gases that contribute to global warming.

The answer is C. Production of electricity from nuclear energy does not produce greenhouse gases that contribute to global warming. Sorry that this is super late, but I still wish you good luck with the rest of your work!

compare water(H20) to a single atom of oxygen(O) . is each an element or a compound explain

Answers

Answer:

compound

Explanation:

A compound is composed of two or more different elements combined together. Water is made up of 2 atoms of hydrogen and one atom of oxygen combined together. Water is therefore made up of two separate elements, which makes it a compound.

Water (H₂O) is a compound made of hydrogen and oxygen in a fixed ratio, while a single atom of oxygen (O) is an element.

Elements consist of only one type of atom, while compounds are made of multiple types of atoms.

What is a scalar quantity? Vector quantity? How are these two different?

Answers

Answer: Scalar quantity has magnitude but no direction while a vector quantity has both magnitude and direction.

Explanation:

A scalar quantity is a physical quantity that has magnitude but no direction. Examples are

- temperature, measured in Kelvin

- distance, measured in metres

- speed, measured in metres per second

Vector quantity, on the other hand, is a physical quantity that have both magnitude and direction. Examples are:

- velocity, measured in metres per second (m/s)

- force, measured in newton

- displacement, measured in metres

Other Questions
A lab group was supposed to make mL of a acid solution by mixing a solution, a solution, and a solution. However, the solution was mislabeled, and was actually a solution, so the lab group ended up with mL of a acid solution, instead. What are the volumes of the solutions that should have been mixed? The lines below are perpendicular. If the green line has a slope of -3, what isthe slope of the red line? Enter your answer as an integer or fraction in lowestterms. What is Immigration Analyze judicial restraint and judicial activism and their effects over the years Under starvation conditions cells deaminate amino acids to produce carbon skeletons that enter the glycolytic pathway and the citric acid cycle to generate ATP. Nucleotides, on the other hand, are not broken down to yield energy. Select the statements that describe how cells metabolize nucleotides. a.Free bases released from nucleotide degradation are often reused for nucleotide synthesis. b.Nucleotides are hydrolyzed into ribose and nitrogenous bases. c.Purines are further metabolized to uric acid and pyrimidine degradation produces urea. d.Free bases from hydrolysis of nucleotides are further degraded into their amino acid precursors, glycine and aspartate. e.Although nucleotides can be hydrolyzed to release purine or pyrimidine bases, most organisms lack the enzymes to further degrade the free bases. Instead, free purine and pyrimidine bases are secreted into the bloodstream. During de novo synthesis of nucleotides, free bases released from degradation of nucleotides are attached to ribose. Which of the following is true for a gas under conditions of very low temperature? PV > nRT, because the actual volume of the gas would be more than its ideal value. PV < nRT, because the volume is smaller due to significant intermolecular force effects. PV = nRT, because the actual volume of the gas molecules becomes considerable. PV = nRT, because all gases behave ideally at very low temperatures. What are the differences between East and West Berlin? Which of the following was not a common argument given in support of the American colonists' declaration of independence? Which statement correctly describes Andrea's view of boys in "Homesick and gives the best supporting evidence?She has a negative view of boys; she tells Jean there will be boys in her new school.She has a positive view of boys; she tells Jean she was hoping some boys would be on the ship.She has a negative view of boys; she tells Jean she is going to be surprised by the boys in her new class.She has a positive view of boys; she tells Jean that everyone at the Shanghai American School has a crush on David. Need help on number 10!! a sweater is marked 30% off during an end of the season sale. if the sweater was orginally 56.00, how much was the sweater on sale for I NEED HELP THIS IS DUE IN 15 mins PLSSS SOMEBODY HELP ME!!!!! How can you use a point on the graph off-1(x) =9X to determine a point on the graph of f(x) =logox? El Dia de los Muertos se celebra durante el 1 y 2 de noviembre, alegremente para honrar las vidas de los difuntos. El humor en el da de los muertos es mucho ms relajado, similar al Halloween. En esta fecha las familias limpian y decoran las tumbas de sus difuntos o preparan altares en su honor si estn lejos del lugar donde ellos yacen. Ahora, en Halloween se celebra cada 31 de octubre, tambin conocido como noche de las brujas. Todos se disfrazan de otra persona o objeto. A diferencia de Halloween, en el Dia de los Muertos estos dos das no se pide, se da ofrendas. Con altares se ofrece un tributo a los seres que fallecieron y en ambos das visitan el mundo de los vivos. Esta festividad se celebra durante dos das: el primero de noviembre dedicado para los nios difuntos, y el segundo da para los mayores. Assume that you are performing general maintenance on your bicycle using a black lubricant. When you lubricate the brake levers, what type offingerprints are you most likely to leave on them? A 60.0-kg man jumps 1.70 m down onto a concrete walkway. His downward motion stops in 0.025 seconds. If he forgets to bend his knees, what force (N) is transmitted to his leg bones? describe the how the structural elements of "Hope is the thing with feathers" impact its meaning and style An elderly gentleman, whose wife is his legally authorized representative since his strokes several years ago, was recently diagnosed with lung cancer. He is eligible for a clinical trial using a new investigational drug that aims to treat lung cancer. He is able to express interest, shows a basic understanding of the nature of the trial, and gives his assent to participation. The subject's wife is out of town on a business trip. Which of the following is the most appropriate action to take for the investigator?Send a copy of the informed consent via facsimile to the subject's wife. After she has had the opportunity to speak to the investigator, she can sign the informed consent and fax it back.waive any possibility of compensation for injuries that I may receive as a result of participation in this research.provide a potential subject with appropriate information in an appropriate manner Identify the first simile that Frost uses in the poem "Birches" (Use the exact words of the poem.).Lines: Quote: Every sperm and egg is not identical because?