Answer:
Energy is used up while running, and cellular respiration needs oxygen to produce more energy.
Energy is used up while running, and cellular respiration needs oxygen to produce more energy. Energy is used up while running, and cellular respiration needs carbon dioxide to produce more energy.
Explanation:
B. Produce cells that are genetically identical to one another
here is some help: these to photos should give you the answer to this chart hope it helps.
the answer is 'rectilinear propogation of light'
sorry im not in that level
