Plants take nitrogen from the soil by absorption through their roots as amino acids, nitrate ions, nitrite ions, or ammonium ions
Magnesium is the powerhouse behind photosynthesis in plants. Without magnesium, chlorophyll cannot capture sun energy needed for photosynthesis.
the tiny blood vessels surrounding the alveoli are called capillaries.
the capillaries have thin walls and are connected to the larger blood vessels ( veins) and they bring oxygen to the heart threw oxygenated blood.
I think the answer is A True I’m not 100% sure though sorry
