The_
of a star will determine its lifespan.
magnitude
mass
rotation
temperature
This is earth space science
Pls answer fast
Answer:
Mass
Explanation:
The larger a star's mass, the shorter it's lifespan.
I hope this helps! ☺
A teacher gives students four liquids commonly found in the kitchen - vinegar, apple juice, dish detergent, and milk - and pH indicator strips, which measure acidity. The teacher asks the students to put the liquids in order from most acidic to most basic.
What type of investigation could the students conduct to determine the correct order for the liquids?
The type of liquid is the.
The pH is the.
Answer:
1. comparative
2. independent
3. dependent
only added this cuz I could and I needed points.
Explanation:
The students can conduct an experiment where they treat:
1. The type of liquid is the independent variable.
2. The pH is the dependent variable.
1. In this investigation, the type of liquid (vinegar, apple juice, dish detergent, and milk) is the independent variable. The students would manipulate this variable by testing each liquid with pH indicator strips to determine its level of acidity or basicity.
2. The pH level of each liquid is the dependent variable. It is the factor being measured or observed based on the changes in the independent variable (type of liquid). The pH indicator strips will change color according to the acidity or basicity of the liquid, allowing students to compare and order the liquids from most acidic to most basic based on their pH values.
This investigation allows students to explore and understand the concept of pH, acidity, and basicity in common kitchen liquids, enhancing their scientific knowledge and experimental skills.
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Two guinea pigs are crossed, one parent is Ss, the other ss. What is the probability of a baby guinea pig from this cross having both S and s factors?
A.0% chance
B.25% chance
C.50% chance
D.75% chance
Answer: B. 50%
Explanation: Image attached
Final answer:
The probability of a baby guinea pig from the cross between parents with genotypes Ss and ss having both S and s alleles is C.50% chance, as demonstrated using a Punnett square.
Explanation:
The question involves calculating the probability of a baby guinea pig inheriting specific genetic factors from its parents, one with genotype Ss and the other with genotype ss. To find the probability of an offspring having both S and s alleles, we can use a Punnett square to represent the possible genetic combinations.
Place the alleles of the first parent (Ss) at the top of the Punnett square.Place the alleles of the second parent (ss) on the side of the Punnett square.Fill in the squares to show the possible allele combinations for the offspring.In this scenario, half of the offspring (50%) would inherit an S allele from the first parent and an s allele from the second parent, resulting in the genotype Ss. Therefore, the correct answer is C. 50% chance. This calculation demonstrates how genetic traits can be inherited and the importance of understanding Mendelian genetics.
While the rocks are soaking, look through the jars and make observations. Do you notice any changes
within the jars? Record your observations below.
Answer:
The rocks will start to break apart
Explanation:
hope this helps..
List the 6 steps in the food Flow system:
Answer:
There are 8 stages in the flow of the food through your
establishment:
1. Purchasing and receiving
2. Storage
3. Preparation (including defrosting)
4. Cooking
5. Cooling
6. Hot and cold holding
7. Reheating
8. Serving
Explanation:
Food flow system: Production, processing, distribution, preparation, consumption, waste management—ensuring a sustainable journey from origin to disposal.
The correct steps in the food flow system are as follows:
1. Food Production: This is the initial step where food is grown, raised, or harvested. It involves agricultural practices, aquaculture, and other forms of food cultivation.
2. Food Processing: After production, food may undergo processing, which can include slaughtering, butchering, and packing of animals; pasteurization of milk; or canning and freezing of fruits and vegetables.
3. Food Distribution: Once processed, food is transported from the place of production or processing to various distribution points such as warehouses, grocery stores, restaurants, and other food service providers.
4. Food Preparation: This step involves the preparation of food for consumption. It can occur in commercial settings like restaurants or at home. It includes cooking, seasoning, and assembling meals.
5. Food Consumption: This is the stage where food is eaten. It is the end goal of the food flow system, where nutrients from the food are taken up by the body.
6. Food Disposal/Waste Management: After consumption, there is usually some waste, which includes inedible parts of food, leftovers, and packaging. Proper disposal or recycling of these materials is an important part of the food flow system to minimize environmental impact.
These steps outline the journey of food from its origin to its eventual disposal, highlighting the importance of each phase in ensuring a sustainable food system.
What are the two ways that carbon enters into the atmosphere?
The carbon enters into the atmosphere through two ways that are burning of fossil fuels and by respiration of living organisms.
Fossil fuels are the fuels that are produced beneath the earth crust by degradation of the organic matter of dead and decaying plants, animals, and animal dung. Fossil fuels like coal, petroleum, and natural gas when burned or combusted liberate carbon dioxide gas into the atmosphere, which is a chief source of carbon element in the atmosphere. The respiration process takes place in all living organisms including humans, animals, and plants. The carbon dioxide is the chief gas produced in the respiration process. Again it is a source of carbon to the atmosphere.Learn more about carbon:
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how does water role in photosynthesis explain increased biological productivity in area of heavy precipitation
Water has a role in photosynthesis as being a reactant for the process. The biological productivity will increase due to heavy precipitation.
Photosynthesis is a process by which green plants prepare their food using carbon dioxide and water to produce carbohydrate and oxygen. Water from the atmosphere in the form of moisture and from soil as a reactant which get split by the photolysis through sunlight and hydrogen becomes the part of the carbohydrate and oxygen is produced as byproduct. In an area which maximum amount of precipitation annually is likely to facilitate the process of photosynthesis and more biological productivity is expected due to the availability of enough amount of water as reactant necessary for photosynthesis.Learn more about photosynthesis:
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easy 100 points for one question
Answer:
Explanation:
The hawk eats him as they are young older hawks eat snakes snakes eat frogs frogs eats bugs guts eat plant walrus give nutrients to plant
Answer:
Explanation:
What the other person wrote as answer is sure correct
Which of the following causes tidal waves?
Strong winds
Underwater earthquakes
Gravitational pulls of the sun and moon
Temperature difference between land and sea
Tidal waves, better known as tides, are primarily caused by the gravitational pulls of the sun and moon. They are not significantly influenced by strong winds or temperature differences between land and sea. Misuse of the term 'tidal wave' often leads to confusion with tsunamis, which are caused by underwater earthquakes or similar events.
Explanation:The primary cause of tidal waves, or more accurately, tides, is the gravitational pull of the sun and moon. This gravitational force causes the Earth's oceans to bulge out in the direction of these celestial bodies, creating a rise and fall in sea level that we experience as tides. However, it is important to note that terms like 'tidal wave' are often misinterpreted.
True tidal waves are relatively slow, predictable, and governed by astronomical factors. On the other hand, underwater phenomena like underwater earthquakes, landslides, or volcanic eruptions can cause sudden large waves known as tsunamis, which are often incorrectly referred to as 'tidal waves'. Strong winds and temperature differences between land and sea mainly influence surface wave activity and do not play a significant role in causing tidal waves.
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The diagram below shows the structure of a plant cell
A body part that has lost its original function through evolution
Answer:
the appendix
Explanation:
Hope this helped
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vestigial organ is the body part that has lost its original function through evolution.
What is vestigial organ ?The vestigial organ other wise called as rudimentary organs.
These are the remnants of the organs which might have functional in the ancestors organism.
These vestigial organs are mostly undersized, degenerated, inactive and non-functional.
Some of the example include Vermiform Appendix is the remnant of the caecum which is functional in herbivorous mammals like cows and buffaloes and it help in digestion.
Caudal vertebrae or coccyx is most prominent among our ancestors like monkeys, in which this is functional tail.
The ancestral human had prehensile feet until they started walking on the ground; when they walk and run their toes become straight and firmer and lost their flexibility.
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What’s the chemical reaction
Answer:
Smell produced
Explanation:
The tree will start having a burning scent.
Answer:
1 bubbles and new substance 2 smell and new substance and change of state
Explanation: baking soda and vinegar bubble and make co2 and burning wood creates gas and smells and creates a new substance co2 hope this helps god bles
Name and describe saturn’s largest satellite
Answer:
Titan
Explanation:
Titan is the largest moon of Saturn and the second-largest natural satellite in the Solar System. It is the only moon known to have a dense atmosphere, and the only known body in space, other than Earth, where clear evidence of stable bodies of surface liquid has been found.
Explain carefully what is wrong with each of these statements,
and suggest what should have been said instead:
(a) "The function of the stomach is to digest food."
(b) "The small intestine absorbs your food."
(c) “Amylase breaks down starch to glucose."
(d) "The stomach contains acid because the protease enzyme
there works best at pH 2."
Answer&Explanation:
All statement are correct but for a: not only stomach is digesting food but there whole alimentary canal
B: addition vitamin is absorbed at stomach together with water
C: starch to maltose which is then broken by lipase enzymes to glucose
D:in addition acid kill bacteria and activate the enzymes pepsinogen and renin
Answer:
B
Explanation:
The statement is partially correct but lacks specificity. While the small intestine is responsible for the majority of nutrient absorption, it doesn't absorb the food itself. Instead, the small intestine absorbs the nutrients from the food. To correct the statement, it should say: "The small intestine absorbs nutrients from the food."
Which statement describes the reaction for cellular respiration?
The equation is carbon dioxide + water → glucose + oxygen + water and energy is required in the fo
The equation is glucose + oxygen → carbon dioxide + water and energy is produced in the form of A
The equation is carbon dioxide + water → glucose + oxygen + water and energy is produced in the fi
The equation is glucose + oxygen carbon dioxide + water and energy is required in the form of ligh
The equation is glucose + oxygen = carbon dioxide + water + energy
Answer:
glucose + oxygen ® carbon dioxide + water Energy is produced in the form of ATP
Hope this Helps!
A heterozygous plant is crossed with a short plant. What are the two genotypes?
Answer:
Tt and tt
Explanation:
T t
t. Tt. tt
t. Tt. tt
what type of water does a confined aquifer produce?
Answer:
Confined aquifers are aquifers that are overlain by a confining layer, often made up of clay. The confining layer might offer some protection from surface contamination.
Explanation:
answer one of my questions :p
Put the steps of the interaction between actin and
myosin during muscle contraction in order from
first (1) to last (3).
The myosin head rotates, causing overlap
with actin.
The myosin head attaches to a binding site
on the actin filament.
The myosin head detaches from one
binding site and reattaches to another.
Answer:During muscle contraction, the sequence of events involving myosin can be summarized as follows:
The myosin head attaches to a binding site on the actin filament.
The myosin head rotates, causing overlap with actin.
The myosin head detaches from one binding site and reattaches to another.
So, the correct order is:
The myosin head attaches to a binding site on the actin filament.
The myosin head rotates, causing overlap with actin.
The myosin head detaches from one binding site and reattaches to another.
Explanation:
Answer: If YOU ARE ON THE INSTRUCTION I GIVE THE 1st AND 2nd QUESTION AND ANSWERS
Put the steps of the interaction between actin and myosin during muscle contraction in order from first (1) to last (3).
2 - The myosin head rotates, causing overlap with actin.
1 - The myosin head attaches to a binding site on the actin filament.
3 - The myosin head detaches from one binding site and reattaches to another.
Complete the following statements.
Calcium ions are necessary to activate the binding sites on the actin filaments.
The molecule ATP is required each time the myosin head detaches from one site and reattaches to another.
Which are accurate descriptions of comparative anatomy? Select three options.
may or may not include studies of structures with the same function
only involves studies of structures that are on the outer surface of the body
compares the structures of organisms from different species
always supports the concept of a recent common ancestor
includes studies of homologous, vestigial, and analogous structures
Answer:
3. , 5. , and 1. .
Explanation:
Comparative anatomy compares the structures of organisms from different species, includes studies of homologous, vestigial, and analogous structures and compares the structures of organisms from different species, hence option 1, 3 and 5 are correct.
What is the comparative anatomy?Analogous Structures and homologous structures are the two major ideas of comparative anatomy. Similar structures found in several organisms are called analogous structures.
Comparative anatomy is one sort of proof. Two key ideas in comparative anatomy are homologous structures and analogous structures.
Similar structures known as analogous structures can be found in several animals, but they differ from homologous structures in some ways. They perform the same tasks and have the same appearance.
Therefore, includes studies of homologous, vestigial, and analogous structures and compares the structures of organisms from different species.
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Two unlabeled slides are viewed under a microscope.
Slide A has cells with a visible nucleus, mitochondria, a cell membrane, a cell wall, and chloroplasts.
Slide B has cells with a visible nucleus, mitochondria, and a cell membrane.
How should these slides be labeled?Immersive Reader
(9 Points)
Slide A, animal cells; Slide B, animal cells
Slide A, animal cells; Slide B, plant cells
Slide A, plant cells; Slide B, animal cells
Slide A, plant cells;Slide B, plant cells
:3
Answer:it's the third option
Explanation:
Because animal cells don't have a cell wall or chloroplast
Going by the organelles seen under the microscope, the correct labelling of the slides would be:
Slide A - plant cells Slide B - animal cellsSlide A would be a plant cell because of the presence of cell wall and chloroplast. these 2 organelles are unique to the plant cell only.
Slide B would be an animal cell due to the absence of cell wall and chloroplast.
Both cells are eukaryotic cells with essentially the same organelles. However, the plant cell has chloroplast, cell wall, and large central vacuole while the animal cell does not.
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The process of dna replicaton occurs just before
Answer:
cell division
Explanation:
Sorry if its wrong
Penelope is adding fractions while taking a math test what part of her brain is at work
Answer:
Left frontal lobe
Explanation:
The verbal mathematical ability, the "linguistic" mode, is located in the left frontal lobe, which is the part of the brain known to be responsible for making connections between words.
Answer:
A
Explanation:
why is hot water suitable for making coffee?
Answer:
Hot water is suitable for making coffee because we know that the substances dissolve faster at high temperature so in hot water coffee gets dissolved faster.
If an opaque material appears to be green, then which of the following can be concluded?
All color frequencies of light are reflected, except for green which is absorbed.
All color frequencies of light are absorbed, except for green which is reflected.
All frequencies of light are reflected, but green is reflected at a different angle than all others.
Green is the only frequency of light that is absorbed.
Answer:
All color frequencies of light are absorbed, except for green which is reflected.
Explanation:
Light does not transmits through an opaque object. We are able to see an object when light from a source bounces off its surface and reaches our eye. The color we see is the one which is reflected.
Answer:
B
Explanation:
If a light is reflected, that means that it bounces back from the material in the opposite direction. This means that we will be able to see that reflected color. Here, since we see green, we know that green has been reflected.
Meanwhile, if we don't see any color, then we know those colors are absorbed by the material.
Thus, the answer is B.
Hope this helps!
Which best describes the results of this experiment
Answer:
The dark-colored moths were more fit.
Explanation:
Good management of the environment is based on
economics
duplicating nature
leaving the environment alone
stopping all changes in the environment
Good environmental management is a multifaceted approach that involves managing ecological processes, adapting to changing conditions, and implementing regulatory controls to ensure sustainability. It also includes economic strategies such as taxation to encourage conservation and sustainable use of limited resources.
Good management of the environment is not based on a single action or ideology. Instead, it typically involves a combination of practices that include continuously managing limiting factors and ecological processes, as well as being adaptive and minimally intrusive. This also means that good environmental management often depends on regulatory controls, such as natural resource management laws and pollution laws that define sustainable use and prevent harmful dumping into the environment.
Additionally, conservation biology principles guide efforts to maintain complex and adaptive ecosystems by ensuring that ecosystem processes like water cycling and nutrient cycling are maintained, external threats are minimized, and actions taken are adaptive to changing conditions. This approach is vital as it recognizes that the earth has a limited supply of resources, which must be conserved for present and future generations.
An economic perspective on environmental management might include implementing taxes on resource extraction and waste production to encourage conservation and sustainable practices. This is aligned with the idea that growth is not indefinitely sustainable, and human activities must align with natural laws to maintain the integrity of the environment.
WILL GIVE BRAINLIEST AND POINTS
Describe the relationship between immunity and vaccines.
Answer:
Vaccines greatly reduce the risk of infection by working with the body's natural defenses to safely develop immunity to disease.
Explanation:
Some people believe that naturally acquired immunity—immunity
from having the disease itself—is better than the immunity
provided by vaccines
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what is the connection between a circadian rhythm and the biological clock
Answer:
Circadian rhythms help determine our sleep patterns. The body's master clock, or SCN, controls the production of melatonin, a hormone that makes you sleepy. It receives information about incoming light from the optic nerves, which relay information from the eyes to the brain.
Scientists claim that global climate change is threatening many species with extinction. Which statement provides the strongest evidence for this claim?
Scientists claim that global climate change is threatening many species with extinction. Which statement provides the strongest evidence for this claim?A. As humans develop more land, natural habitats are lost or fragmented. B. In many species, life cycle events are adapted to occur with seasonal temperature changes. C. Species survive only in specific habitats, and cannot relocate when their environment changes. D. Species can tolerate variations in temperature, but not variations in precipitation, humidity, or other weather factors.Scientists claim that global climate change is threatening many species with extinction. Which statement provides the strongest evidence for this claim?
Answer: Option B
Explanation:
The animals that live on the earth in many different regions because they are adapted to live in a particular habitat. The animals of the polar regions cannot adjust living the Sahara desert and the reptiles living in the desert cannot live in polar regions.
But many of the species are dependent on the seasonal change and they only emergence or produce during specific period of time.
But if due to global climatic change there will be no emergence of particular species and their species will be extinct over a period of time. So, the global temperature needs to be constant in order to support life of the species dependent on the seasonal temperature change.
A molecular biologist is evaluating evidence from an investigation of a crime. The evidence includes a DNA sample obtained at the crime scene, as well as a DNA sample of a suspect. To determine whether the two DNA samples match, which sections of each sample should the molecular biologist compare?
A. sections that contain genes with known functions
B. sections with repeated sequences between genes
C. sections that contain genes with unknown functions
D. sections from either the X chromosome or Y chromosome
Answer:
Im not sure if its A or B
Explanation:
Answer:
d. sections from either the x chromosome or y chromosome