Answer:
to study earth's past climate
the brain is the main organ in the CNS it control the whole body its a common mistake to think the is a tissue and not an organ
Answer:
Nephrotic syndrome (also called nephrosis) happens when your kidneys start losing large amounts of protein in your urine. As your kidneys get worse, extra fluids and salt build up in your body. This causes you to have swelling (edema), high blood pressure and higher levels of cholesterol.
Explanation:
D. Change in a population through genetic variation over time.