It should be the last one, but if you can pick more than one answer then I would do the first and last one but I’m confident that it would be the last one either way :) hopefully this is helpful
Answer:
Knee joint.
Explanation:
The knee joint is a freely movable joint in the body. Usually allows a slight degree of movement.
I believe the cerebrum is the largest part of the brain, so the answer should be C.
A Hydrogen has a negative charge of -1 and o is positive and also neutral
