Answer:
I believe its cubes because never have i ever seen such a cube virus
Explanation:
Answer:
(B)iology
Explanation:
Biology is a branch of science that studies about the living organisms.
They return nutrients from waste or dead organisms back into the ecosystem to be recycled.
Answer:
c
Explanation:
all cells do not have an nucleus
Oxygen-poor blood goes into the lungs and through the lung capillaries after leaving the heart. It does so to be oxygenated by the lungs. The oxygen in the lungs comes from the air we breath. Once the blood is oxygenated, it goes back into the heart, to be pumped back into our bodies for distribution.