Cellular Respiration and Photosynthesis. Photosynthesis is the process of when plants use sunlight to make foods from carbon dioxide and water, to later on make oxygen. Cellular respiration is the process through which cells convert sugars into energy.
I think it's covalent...? Hope that helps.
Metals generally form cations, meaning they become positively charge - this positive charge is due to the loss of electrons.
Volume can be measures in liters
