C-04-Q111mediummulti_combo_mcq
From the law of conservation of energy it is found:
From the law of conservation of energy it is found:
- Energy cannot be created or destroyed; the total energy of the universe is constant
- Non-renewable energy will be finished quickly, so renewable energy has to be used
- We have to use energy effectively and reduce system loss in order to save energy
- ai
- bii
- cii and iii
- di, ii and iii