Answer:
The mass of a tree is primarily carbon. The carbon comes from carbon dioxide used during photosynthesis. During photosynthesis, plants convert the sun's energy into chemical energy which is captured within the bonds of carbon molecules built from atmospheric carbon dioxide and water.
D. Photosynthesis only takes place in the light, while cellular respiration takes place in the light and dark.
Option C: Andrew is a wrestler and needs to stay at a consistent weight. In order to do so, he follows the dietary recommendations of a dietitian carefully and always maintains a balanced diet.<span />
Solutions that have more H+ ions are acids.
Active transport, specifically phagocytosis