Explanation:
red blood cells,white blood cells and platelets
2 because the 1st energy level can only hold 2 electrons and the 2nd holds 4
The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Forest fires promote regrowth, clear cut has to be replaced