The total amount of massenergy in the universe is constant i
\"The total amount of mass-energy in the universe is constant,\" is a statement of
| A. thermodynamic spontaneity. | 
| B. entropy. | 
| C. the second law of thermodynamics. | 
| D. enthalpy. | 
| E. the first law of thermodynamics. | 
Solution
E.its the first law of thermodynamics, which is one of most fundamental laws in Physical sciences.

