Astronomy the study of water, mainly oceans 2. geology the study of minerals and rocks 3. oceanography the study of weather and climate 4. meteorology the study of the stars, planets, and galaxies

there really is life in the deepest part

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.