I think its 3 or 4 i do not now for sure
Photosynthesis takes place in the roots of the plant
Answer:
Oxygen in the atmosphere is a molecule because it contains molecular bonds. It is an element because it is made from atoms of only one element - oxygen.
Explanation:
Answer:
internal respiration
Explanation:
internal respiration is described by what your asking so that shows the in your alveoli would react with internal respiration and if it says im wrong then i dont what.