It would be placer because you are not digging up any ground..if that is not right it might be none because if you are messing with water environments you are still messing with it which could not be good
Answer:
the right atrium.
Explanation:
Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium.
Answer:
It is false. carbohydrates are stored in form of glycogen.
I believe it is Epithelial Tissue. <span />
Answer:
protons its the flow of electricity but does not controll it
