Letter C, the third option.
Explanation
The Dorsal Spines give the fish, "3 Spined Stickleback", because they have hard, spines on their backs. I hope this helps!!!
Answer:
C
Explanation:
Every living thing is made up from cells, as they are the smallest unit of a living thing.
<span>The answer is a certain required chemicals must be actively
transported. Blood brain barrier is a
selective membrane that separates blood circulating from the brain and the
fluid of extracellular in the central nervous system. This is also called a
filtering mechanism, the capillaries that carry blood to the brain and spinal
cord tissue blocking the path way of the certain substance.</span>
Biological augmentation, bioremediation , or reforestation are names for the method.
