Answer:
I don't know why it doesn't protect your brain as much as you think but maybe this will help
Explanation:
The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid. ... It runs down from the brain through a canal in the center of the bones of the spine. These bones protect the spinal cord.
Answer:
Oxygen for respiration and Carbon dioxide for photosynthesis
Explanation:
Answer:
The increase in the abundance of plants typically wild weeds acquire the entire space occupied by the water body and this leads to the transformation of the aquatic ecosystem into terrestrial or land ecosystem.
Explanation: