I believe it that the answer is C. Hope this helps
Answer:
Troposphere
Explanation:
The troposphere is the lowest layer of the atmosphere.
Ontonic Pressure, or colloid osmotic pressure, is a form of osmotic pressure exerted by proteins, notably albumin, in a blood vessel's plasma (blood/liquid) that usually tends to pull water into the circulatory system. It is the opposing force to hydrostatic pressure.
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