Scientific thought versus everyday thought. They both employ thinking, observations, inferences, predictions. But scientific thought avoids making conclusions based on

b. the carbon cycle ensures living things have a source of hydrogen

a

explanation:

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