Two regions receive similar atmospheric inputs of sulfuric and nitric acids. Region X contains lakes surrounded by deep soils rich in limestone, while Region Y contains lakes surrounded by shallow soils with little limestone. After years of acid deposition, Region Y shows a much stronger decline in lake pH. Which interpretation is most consistent with the lecture?

Question

Answer

Acid deposition affects only shallow lakes regardless of surrounding geology.

Answer

Limestone-rich soils have greater buffering capacity and can neutralize some incoming acidity, whereas poorly buffered soils allow stronger acidification.

Answer

Shallow soils automatically produce larger quantities of sulfur dioxide.

Answer

Nitric acid reacts only with shallow soil and cannot enter deeper soil systems.

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Two regions receive similar atmospheric inputs of sulfuric and nitric acids. Reg...

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