Answer:
at high altitudes ! hopefully this helps ^-^
True. i think i don’t know for sure
He developed and proposed a theory about evolution. Which is humans and animals changing to suit their environment over years
Answer:
Gray (or Grey) Matter-the darker tissue of the brain and spinal cord, consisting mainly of nerve cell bodies and branching dendrites.
White Matter-he paler tissue of the brain and spinal cord, consisting mainly of nerve fibers with their myelin sheaths.
Explanation: