Hi there,
the answer to your question is D. Islam.
During the 600s the Islamic religion spread towards Northern Africa.
Hope this helped :)
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>
<span>There are several reasons; including poaching and loss of habitat.</span>
I would say d; not entirely sure
