Question

worksheet - principles of habitat conservation & management - introduction to habitats
principles of habitat conservation & management
3 of 6
wetlands are the kidneys of nature, that takes all the pollutants out of run - off and dropdown so that we can have clean water to drink
dropdown options: cleans the water, maintain

Explanation:

The sentence is about wetlands (a type of habitat) removing pollutants from runoff to get clean water. The correct phrase should logically follow the action of taking pollutants out. "Cleans the water" makes sense as it describes the result of removing pollutants, while "maintain" is a verb that doesn't fit grammatically or contextually here (it would need an object like "maintain water quality" to be correct in this structure).

Answer:

cleans the water