The carbon cycle ensures that carbon is not lost Which is another important benefit of the carbon cycle? O The carbon cycle helps regulate Earth's temperature.
O The carbon cycle ensures that living things have a continual source of hydrogen.
O The carbon cycle helps transport nutrients in bodies of water
O The carbon cycle ensures that there is a continual supply of water.

A

Explanation:

the carbon cycle ensures that living things have a continual source of hydrogen

i think its the first one

1. the energy lost to disorder metabolism     -entropy

2. related to or possessing motion potential     -kinetic

3. all of the chemical reactions in an organism required for maintenance of the processes of life entropy     -metabolism

4. possible; ability to go into action or perform work kinetic     -potential

5. the study of energy and its transformations thermodynamics     -thermodynamics