Answer:
DNA changes caused by mutagens may harm cells and cause certain diseases, such as cancer. Examples of mutagens include radioactive substances, x-rays, ultraviolet radiation, and certain chemicals.
Explanation:
The best answer is d . natural movement speed
1-G, 2-D, 3-B, 4-F, 5-C, 6-A, 7-E
<span>mental abuse because of taking away the privilege</span>