4? I don't know man, this made my brain hurt.
D. 100%, extremely sure. Because Newton's 3rd law states every force has an equal and opposite reaction.
Answer:
The thumb alone is controlled by nine separate muscles; The hand has been used as a symbol of protection since ancient times; The human hand is different to the hands or paws of other animals, because it has fingers and a thumb that can work together. Each finger has 3 bones and the thumb has two bones
Explanation:
