Acid deposition can take several forms. Which combination is correct?

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Study for the Grade 9 Environmental Chemistry Test. Use a blend of multiple-choice questions and detailed explanations. Master key concepts and prepare effectively!

Multiple Choice

Acid deposition can take several forms. Which combination is correct?

Explanation:
Acid deposition occurs through wet and dry pathways. Wet deposition happens when acids are delivered by precipitation, like rain or snow, while dry deposition involves acidic gases or dry particles that settle onto surfaces. The option that includes rain, snow, or dry particles captures both forms of deposition, showing why this is the best choice. Saying rain only or snow only misses one pathway, and gaseous emissions aren’t deposition by themselves — they are precursors that can lead to acid formation, but the actual deposition appears as wet or dry forms.

Acid deposition occurs through wet and dry pathways. Wet deposition happens when acids are delivered by precipitation, like rain or snow, while dry deposition involves acidic gases or dry particles that settle onto surfaces. The option that includes rain, snow, or dry particles captures both forms of deposition, showing why this is the best choice. Saying rain only or snow only misses one pathway, and gaseous emissions aren’t deposition by themselves — they are precursors that can lead to acid formation, but the actual deposition appears as wet or dry forms.

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