Major grade make sure it’s right

it becomes part of photosynthesis

Explanation:

A. It returns to water and becomes waste

Explanation:

Phosphates return to the water through plant and animal waste. The phosphorus is in the form of phosphates, much of which in concentrated in marine sediment.

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail

answer; the hypothalamus;