Question

PLEASE SOMEONE HELP

Which of the following matches a human action with its impact?

Construction of dam : Scarcity of water for animals
Use of fertilizers : Increase in population of aquatic plants
Decrease in honeybee population : Increase in plant population
Construction of roads : Improvement in quality of water in local lakes

Answer 1

The correct answer is A

Pretty much all the answer is saying is that if you make a dam it limits water supply which is true because it blocks water from flowing smoothly.

Answer 2

construction of dam: scarcity of water for animals.

thus being so, you make a dam, you cut off water supply.