Pollution, deforestation, global warming, ozone depletion, e-waste.
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Q1 · Environmental Issues · EASY
Which of the following gases is primarily responsible for the greenhouse effect leading to global warming?
Q2 · Environmental Issues · EASY
Catalytic converters used in automobiles help reduce air pollution by converting harmful gases. Which of the following conversions occurs in a catalytic converter?
Q3 · Environmental Issues · MEDIUM
Eutrophication of water bodies is primarily caused by excessive amounts of which nutrients?
Q4 · Environmental Issues · MEDIUM
The Montreal Protocol, an international treaty signed in 1987, primarily aimed to phase out the production of substances that deplete which atmospheric layer?
Q5 · Environmental Issues · HARD
A water sample shows BOD (Biochemical Oxygen Demand) value of 30 mg/L. If the clean water typically has BOD less than 5 mg/L, what does this high BOD indicate about the water quality?