I would think most likely red and white
Answer:
The valves' main job is to keep the blood moving in one direction – back up towards the heart. When the valve is open, blood freely flows upward towards the heart and when the valves are closed, blood cannot flow back
Answer:
seleccion natural, habilitar
english translation: natural selection, and habilitate.
Answer: im not one hundred percent sure this is correct but i think it is Catholic if im right can you mark me as brainiest
Explanation:
