They are constantly contributing to the scientific community and
improving it. There are always new things to be discovered and they are
constantly doing just that?
Answer:
Mitochondria
Explanation:
The mitochondria stores ATP, ATP is energy for the body.
Answer:
People with the sickle cell mutation in both copies of the HBB gene produce proteins that clump together and lead to changes in the shape and behavior of red blood cells.
Hello!
The amount of water in a river varies for each particular area. Whether the area has been receiving rainfall or a drought.
Seasons also play a role; if it's Spring, you may receive more rainfall and have a higher water levels. If it's Summer, you may experience a drought, causing lower water levels.
Although that was not very much information, I thought I'd provide a small bit of information. Hope it helps. :)
I think the third is correct
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