I honestly think it is D. Impulses.
Every 3 days the stomach starts a new lining
Answer is D.
Photosynthesis in plants converts solar energy into chemical energy using electrons and protons from water. ... In the energy-transduction reactions, solar energy is converted into chemical energy in the form of two energy-transporting molecules, ATP and NADPH
Answer:
its c
Explanation:
i searched it up online LOL, your welcome