Physics, 10.12.2020 23:20 marie1211

The total amount of energy in the universe never changes, but the amount of energy available for work at any given moment varies tremendously What best explains this change in available energy?
O A Energy can only be created through nuclear reactions
B. Energy is continually changing from one form into another
C Energy is always transferred as heat
OD Energy is always converted with 100 percent efficiency

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