Answer:
Sewage, oil, pesticides and fertilizers affect water quality.
Explanation:
There are three types of pollution i. e. air pollution, soil pollution and water pollution. Smoke and smog are present in the air is the example of air pollution, waste product, using of pesticide and industrial dumping are the example of soil pollution and chemicals in water due to runoff of fertilizer, sewage and oil are the main agents of water pollution. These three types of pollution adversely affected the water quality. Water quality will be affected when the fertilizer or pesticides runoff from land to water bodies. Sewage and oil also lowers the quality of water.
Answer;
-Francis Galton
Explanation;
-This phrase was popularized by Francis Galton in discussion of the influences on social development. The two to first bring the argument to light may have been Locke and Rene Descartes, when Locke proposed that people are born without any innate ideas.
-The nature vs. nurture hypothesis is a scientific, cultural, and philosophical debate about whether human culture, behavior, and personality are caused primarily by nature or nurture.
I believe the answer is a Meander. (beware that this is actually a geography question not a biology one, please put it in the right section next time and it will be answered quicker!)