This is true Earth surface is mainly shaped by water running downhill
The two major controls system are Nervous system and Endocrine system
The earth equator since all the rays coming from the sun are perpendicular to the equator rather than the restaurants of the Earth.
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used in photosynthesis. While water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.