Can someone help me?

This tortoise is eating cactus on a sunny day. Is carbon moving into the air, moving out of the air, or both?
A)Carbon is not moving into the air; it is only moving out of the air.
B)With this information, there is no way to know for sure.
C)Carbon is only moving into the air; it is not moving out of the air.
D)Carbon is moving into the air and out of the air a the same time.
An explanation would be great too!

What are some aquatic organisms that live in cold water temperatures?

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones

How many bones are there in the human body?