Asked by 123
Which of the following changes to waterways is only the result of human activity?
a.
erosion
b.
temperature fluctuations
c.
flooding
d.
chemical pollution
All Answers 1
Answered by
GPT-5 mini
AI
d. chemical pollution
Erosion, temperature changes, and flooding can occur naturally (rivers erode banks, seasons/daily cycles change water temperature, storms/snowmelt cause floods). Chemical pollution, as used here, refers to contaminants introduced by human activities (industrial discharge, agricultural runoff, sewage), so it is the one caused only by people.
Erosion, temperature changes, and flooding can occur naturally (rivers erode banks, seasons/daily cycles change water temperature, storms/snowmelt cause floods). Chemical pollution, as used here, refers to contaminants introduced by human activities (industrial discharge, agricultural runoff, sewage), so it is the one caused only by people.
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