Answer:
lack of genetic variation
Explanation:
If you have multiple of the same people there wont be much variation
Answer:
Yes, I think the benefits of using water resources to generate electricity outweigh the costs and drawbacks
<u>Explanation:</u>
The electricity produced using water is called hydropower has benefits like it does not pollute the air. If water is used to produce electricity than every state can produce its own electricity without relying on other states for fuel.
With these benefits, hydropower is very costly and it has several other drawbacks also like it pollutes water and reduces the oxygen level in the water. So it is a threat to wildlife. It reduces recreational activities like swimming, boating, and fishing, etc.