Answer:
veins
Explanation:
Arteries carry blood away from the heart and veins carry blood back to the heart.
The skin color of fish is used to demystify human skin pigmentation. As revealed by studies, a fish skin color is influenced by both genetics and the environment. For example, the skin pigmentation of fish exposed to a more saline environment and fed saltier food is different compared to fish exposed to a lower concentration of salt. Based on years of studying fish skin color, it can be deduced that the variety of human skin pigment is also influenced by genetics plus the environment.
<span>"a cycle or series of cycles of economic expansion and contraction."</span>
<span>The movement of molecules from an area of high concentration to an area of low concentration is the situation is the least likely increase the rate of diffusion. The rate of diffusion will increase or will be faster as the place temperature increases.</span>
It is called pili to transfer
