D. The mitochondria of the eukaryotic cells are the sites of cellular respiration and where most of the steps take place. Cellular respiration allows for the release of energy stored in chemical bonds of glucose (obtained from food) to form adenosine triphosphate, which is the energy currency of the cell.
Clouds because they cause rain. Gravity could because it plays a part in what direction and when weather occurs.<span />
Answer:a
Explanation: because naturally it occurs anytime it wants to
Areas with the warmest is the surface
