Answer:
See below
Explanation:
Mutations, based on where in the genetic code they are identified, can be helpful, healthy or malignant. E.g., susceptibility to HIV, toleration of lactose and trichromatic vision are beneficial mutants.
<em><u>Hope this helps</u></em>
Dangerous, rocky, fast moving water is called cataract. C<span>ataracts are sections where the river tumbles over rocks, and can be very dangerous. A well known cataract can be found in the Nile River. </span>
