What is the main source of sulfur dioxide in the atmosphere?
Correct Answer: Volcanic eruptions, automobile emissions, and industrial processes.
- Step 1: Understand that sulfur dioxide (SO2) is a gas found in the atmosphere.
- Step 2: Identify the main sources that release sulfur dioxide into the air.
- Step 3: Recognize that volcanic eruptions release large amounts of sulfur dioxide.
- Step 4: Note that cars and trucks (automobiles) also emit sulfur dioxide through their exhaust.
- Step 5: Acknowledge that industrial processes, like burning fossil fuels in factories, contribute to sulfur dioxide emissions.
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