Nitrogen fixers are bacteria
The answer should be surface.
1. The correct answer is muscle.
A soft tissue, which composes muscles in the body of animals, and generates the muscles tendency to contract is known as a muscle tissue.
2. The bones provide the frame to a body, it moves to produce the actual movement of the body. The joints permit bones to move, the muscles contract to pull on the tendons that pull bones closer together. These tendons connect muscles to bones and permit muscles to move bones.
