AP Environmental Sciencemediummcq1 pt
Mercury enters the food chain most commonly through
A.coal combustion depositing mercury into water, where bacteria methylate it
B.volcanic eruptions only
C.fertilizer runoff
D.solar panel waste
Explanation
Core Concept
Power-plant mercury settles into waterways, microbes convert it to methylmercury, and plankton pass it up the chain — the tuna warning's origin.
Correct Answer
Acoal combustion depositing mercury into water, where bacteria methylate it
More Unit 8: Aquatic and Terrestrial Pollution practice questions
- hardWhich event triggered the Superfund program?
- hardSuperfund sites are
- hardWhich is a way individuals reduce water pollution?
- hardSediment pollution harms aquatic life mainly by
- hardWhich chemical is an endocrine disruptor found in some plastics?
Practice more AP Environmental Science questions with full explanations
Practice Unit 8: Aquatic and Terrestrial Pollution Questions →