Apentix/AP Environmental Science/Unit 4: Earth Systems and Resources/Question

AP Environmental Scienceeasymcq1 pt

Pollution at a factory far upstream appears in a downstream lake because

A.everything in a watershed drains to its outlet

B.water flows uphill in watersheds

C.pollution evaporates and rains down

D.watersheds have no boundaries

Explanation

Core Concept

Watersheds connect distant points: contaminants released anywhere in the drainage basin ride runoff to the shared outlet.

Correct Answer

Aeverything in a watershed drains to its outlet

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