Question

If you eat a sandwich that has 100 units of energy, and 40 units are used by your cells, what accounts for the other 60 units of energy?

the first law of thermodynamics

the second law of thermodynamics

Answer 1

The first law of thermodynamics

Step-by-step explanation:

Answer 2

i dont exactly know but maybe this will help. The 60 units of energy could be stored in the body after being absorbed