I need help!!! Please help me

Answers

Answer 1

Answer:
Stars have absorption lines patterns similar to the Sun. This means that they are composed mostly of hydrogen and helium with traces of other elements

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What are the 3 types of blood vessels?

Answers

arteries, capillaries,veins

Ateries carry oxygenated blood away from the heart, veins carry deoxygenated blood back to the heart, and capillaries transfer oxygen and other nutrients from the bloodstream to other tissues in the body.

A student designs an experiment to determine the effect of sunlight on plant growth. He or she places three identical plants on three different window sills, which permit different amounts of sunlight exposure. Each plant receives the same amount of water each day. What is the responding variable in this experiment? A.plant growth B.amount of sunlight
C.amount of water
D.type of plant

Answers

The responding variable in this experiment of the students experiment where she places three identical plants on three different window sills which were expose to different amounts of sunlight exposure and same amount of water each day is the amount of sunlight because even the plant receives the same amount of water but each of them didn't expose the same amount of sunlight than the growth of the plant will not be the same.

Answer:

so it d

Explanation:

help please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!What is the dew point? A. The time of day when gas condenses. B. The density at which a gas evaporates. C. The temperature at which a gas condenses. D. The temperature at which a gas deposits.

Answers

your answer is C. it is temp where water vapours start to condense and forms liquid droplet from vapour condition.

hope it helps. please mark for best answer if you liked it.

It's C if you're doing this from ap3x

What is a nucleotide and a nucloeside?

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A nucleoside is composed of a nitrogenous base attached covalently with the ribose or deoxyribose sugar. A nucleotide is composed of a nitrogenous base attached covalently with the ribose or deoxyribose sugar and also have 1 to 3 phosphate group.

It is just the t and s

Mendel’s law of independent assortment is best demonstrated by which of the following observations?A. When two sexually reproducing organisms produce offspring, each offspring has a unique set of genes.
B. Organisms that reproduce asexually have offspring that are genetically identical to the parent offspring.
C. Genetic mutations can alter some of the traits of an organism, while others remain unchanged.
D. After a unicellular organism divides, each of the daughter cells is capable of living independently of the other.

Answers

Answer:

Explanation:

It izz wat it izzzz!!!

What is the ozone layer?
Why is it important to humans?

Answers

Answer:

The ozone layer absorbs most of the Sun's ultraviolet radiation in the Earth's stratosphere.

Explanation:

It is important to humans because it protects us from getting sun burnt and from our body receiving too much radiation.

Answer:

it protects us from radiation from the sun

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PLEASE HELP ME!!!!!which of these pieces of evidence did Alfred Wegener's original theory of continental drift have access to?A)seafloor spreading at mid-ocean ridgesB)reversing paleomagnetism in rocks on the ocean floorC)evidence of ancient tropical swamps in cold regions of North AmericaD) a seafloor that was geologically active with earthquakes, volcanoes, and mountain chains