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anastassius [24]
3 years ago
9

Hey guys does anyone know where I can get a answer key for stemscopes or where I can download it? I’m failing In science :(

Biology
2 answers:
Radda [10]3 years ago
6 0
Download socratic (its an app) just type ur questions and usually the answers shows up
Amiraneli [1.4K]3 years ago
5 0

Answer:

Explanation:

Try typing your question into g o o g l e and mabey you will find it then if not I’m very sorry.   God bless and stay safe! :)

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How does the structure of the leaf allow it fulfil the requirements for gas exchange surface?
Tpy6a [65]

Explanation:

The structure of the leaf is adapted for gas exchange. The cells in the spongy mesophyll (lower layer) are loosely packed, and covered by a thin film of water. There are tiny pores, called stomata , in the surface of the leaf. Most of these are in the lower epidermis, away from the brightest sunlight.

The stomata control gas exchange in the leaf. Each stoma can be open or closed, depending on how turgid its guard cells are.

In the light, the guard cells absorb water by osmosis, become turgid and the stoma opens.

In the dark, the guard cells lose water, become flaccid and the stoma closes.

Diffusion of carbon dioxide, oxygen and water vapour into (or out of) the leaf is greatest when the stomata are open.

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3 years ago
A man who is an achondroplastic dwarf with normal vision marries a color-blind woman of normal height. The man's father was 6 fe
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C half let me know if this helps thanks
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A model shows that the moon has grown to twice its size yet it has remained in the same place in one or two sentences explain ho
agasfer [191]

Answer:

If the Moon has grown to twice it's size, the gravitational force of Earth on the Moon would be twice as much

Explanation:

The force of gravity between two objects is doubled if the mass of one of the objects is doubled.

If the Moon has grown to twice it's size, the gravitation force of Earth on the Moon would be twice as much, since the gravitational force is proportional to the masses of both the Earth and the Moon.

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20 POINTS! Why is it important to use a controlled experiment?
gregori [183]
Answer is B !!!

you have to know what youre doing
3 0
2 years ago
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You are looking at the side of a cliff with many horizontal rock layers. In the upper layers you find fossils of rodents, but in
valkas [14]

Answer:

millipedes were the first of these animal groups to evolve.

Explanation:

Fossils are structural remains of animals from the past. As these animals die, it takes years for the remains to be buried.

The millipedes are at the lower layer of the rock, next to insects, amphibians, and then rodents. This shows that millipedes existed and evolved before the rest of the found animal fossils.

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