Permian-Triassic extinction
Answer:
because it permits certain movement of molecules in and out of the cell
C) ADH
<span>ADH (Antidiuretic Hormone) The brain and kidneys regulate the amount of water excreted by the body. When the blood volume is low, the concentration of solutes in the blood is high. When the hypothalamus senses this low blood volume and increased serum osmolality it synthesizes ADH, a small peptide molecule.</span>
The answer is B. Dry and desert-like.
The Sahara Desert rests upon the places north of the equator in Africa.
The mountainous regions could not develop agriculturally as much as fields
