Sunlight
solar energy
water
During the water cycle some of the water in the oceans and freshwater bodies, such as lakes and rivers, is warmed by the sun and evaporates. During the process of evaporation, impurities in the water are left behind. As a result, the water that goes into the atmosphere is cleaner than it was on Earth.
During interphase, cell growth occurs
The answer to this question would be Fermentation. This is a process that releases energy when oxygen is insufficient.