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iogann1982 [59]
3 years ago
9

Where dose mass of a willow tree come from

Biology
1 answer:
MA_775_DIABLO [31]3 years ago
3 0

Answer:

So where does the mass come from? The mass of a tree is primarily carbon. The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plants convert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water.

Explanation:

Hope it helps! Correct me if I am wrong :>

Im sure about my answer :>

If you dont mind can you please mark me as brainlest?

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The frontal lobes also include the primary ____________ which controls voluntary motor functions.
lakkis [162]

Answer:

The correct answer will be- primary motor cortex

Explanation:

The motor cortex is the portion of the brain present in the precentral gyrus of the frontal lobe of the brain.  The motor cortex is thought to be involved in the planning actions and control voluntary actions.

The motor cortex is divided into three regions: premotor cortex, primary motor cortex  and supplementary motor area.

The primary motor cortex is the region of the motor cortex which controls the voluntary movements in the human body by generating the impulse.

Thus, the primary motor cortex is the correct answer.

5 0
3 years ago
3) Two plants are grown using the same light and pots. One plant is given water that has been
Bezzdna [24]

Answer:

Water

Message me if you need a better explanation! :)

5 0
2 years ago
Describe the possible effect of not getting enough sunlight each day
natka813 [3]
You absorb vitamin d from sunlight shining on your skin.
Vitamin d can help the absorption of calcium, which is capable for strengthening your bones and teeth.
Therefore if u r lacking of vitamin d, your bones and teeth may be soft, and especially among children, you may get ricket, where the legs are bent outwards.
6 0
3 years ago
Are the youngest rocks found far from the mid-ocean ridges
vlabodo [156]
Mid-ocen ridges is correct
3 0
2 years ago
HIV (human immunodeficiency virus) is a virus that attacks a type of white blood cell called a T-helper cell (also called a CD4
gizmo_the_mogwai [7]

Answer:

HIV (human immunodeficiency virus) is a virus that attacks a type of white blood cell called a T-helper cell (also called a CD4 cell). People who have been infected with HIV develop AIDS. People with AIDS often develop diseases caused by organisms that usually do not harm people who are not infected with HIV. Explain why the organisms are more harmful to people with HIV than to people without HIV

5 0
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