Answer:
The nephrons work through a two-step process: the glomerulus filters your blood, and the tubule returns needed substances to your blood and removes wastes.
Answer:
to protect the calf from predators
Explanation:
It was proposed by a scientist named Charles Darwin.
I think the answer is either three or four I am not 100% certain but I feel like the answer for this question is going to be 3
Im thinking its D. bcuz all three A. B. C. are true
