WHOEVER ANSWERS THIS GETS 10 POINTS Which of these best describes the relationship between respiration and oxygen?
A Oxygen is a process by which respiration happens.
B Respiration and oxygen are both types of gases.
C Respiration is how the body takes in oxygen.
D Oxygen comes before the respiration

A:  Oxygen is a process by which respiration happens.

Explanation:

Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

Also:Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

~Hope this helps

i'm thinking (a) to keep sand in place; ////////////

explanation: a sand fence or sandbreak, like a snow fence, is used to force windblown, drifting sand to accumulate in a desired place. sand fences are employed to control erosion, sand dune stabilization, keep sand off roadways, and to recruit new material in desert areas.

i think it’s c but i might be wrong. if i am let me know! have a good rest of your day as well!