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Amanda [17]
3 years ago
5

Can you help me please with these questions!

Biology
1 answer:
nignag [31]3 years ago
6 0
Mean # of stomata per. grid is 4.5.
Mean number of stomata per 1mm^2 is 45000.

I'm sorry please I don't know the last one
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HELP ASAP
kodGreya [7K]

A seems most likely, check with others if u have the time

8 0
3 years ago
You observe that your friend has dimples. dimples result from the presence of the dominant gene d; absence of dimples is a homoz
anzhelika [568]

Answer:

DD or Dd

Explanation:

Dimples is the dominant trait (D). Your friend has dimples so that means he or she should have at least one allele of the dominant trait to express that trait. So your friend would either be homozygous dominant (DD) or heterozygous dominant (Dd). Notice that there is a recessive allele in the second. Even with that present, dimples would be still expressed.

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3 years ago
How does the sun heat Earth?
g100num [7]

When the Sun's energy moves through space, it reaches Earth's atmosphere and finally the surface. This radiant solar energy warms the atmosphere and becomes heat energy. This heat energy is transferred throughout the planet's systems in three ways: by radiation, conduction, and convection.

7 0
3 years ago
Read 2 more answers
38. What unites during fertilization?…………
Maru [420]

Answer:

B.The sperm and egg.

<h3>....Hope it helps you.....</h3>
4 0
3 years ago
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_____ is the study of the connections between stress, the body's immune system, and illness.
monitta
The answer is Psychoneuroimmunology. 
This is the study pf the interactions among behavioral, neural and endoicrine, and immune processes. The brain communicates with the immune system through the autonomic nervous system and neuroendocrine activitry.
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