In systole, you should expect that your mitral valve and tricuspid valve to be closed (snap shut) and you should expect your pulmonary valve and aortic valve to open. Hope this helps
Because the tree moves the water and food around through the cambium. If it cannot go through the cambium, they tree will have nothing to eat and slowly, die.
Answer:
its an over population problem I think, im not sure thoug
Explanation:
