Answer:
D
Explanation:
Every one of these resources are critical to our survival
Answer:
dw i gotchu fam
Explanation:
its an attraction between two atoms. for a hydrogen bond it is hydrogen and another atom like oxygen (in water), flourine or nitrogen.
The yolk sac functions to form blood cells in early development (embryonic phase) for nourishment of the embryo and early fetus. Towards the end of the 1st trimester, the yolk sac disappears and the placenta takes over for the fetus.
The answer is D because the volcano cause that to happen
