The Central Nervous system is made out of spinal cords that connect to the brain.
The answer to your question is A. Higher latitudes receive less radiation due to the curvature of the Earth.
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Process. Permineralization is a type of fossilization involving deposits of minerals within the cells of organisms. Water from the ground, lakes, or oceans seeps into the pores of organic tissue and forms a crystal cast with deposited minerals. Crystals begin to form in the porous cell walls.
Answer: Could be wrong, but I think it could be ionophores
Explanation: