<span>D. ligaments.
</span>Tough connective tissue structures that hold bones together are known as ligaments
NOT:
A. tendons.
<span>B. smooth muscles. </span>
<span>C. striated muscles. </span>
The diversity of human eye color can be explained by the understanding of polygenic traits.
Answer:
Newton realized that the reason the planets orbit the Sun is related to why objects fall to Earth when we drop them. The Sun's gravity pulls on the planets, just as Earth's gravity pulls down anything that is not held up by some other force and keeps you and me on the ground.