The urban transportation authority introduced electric buses to reduce ambient noise and lower greenhouse gas ______.
Answer and explanation
Correct answer: C. emissions
- Step 1: Analyze environmental transit context: Electric buses replace tailpipe exhaust.
- Step 2: The noun meaning the production and discharge of gases into the atmosphere is 'emissions'.
Answer
emissions.
Why not the others: 'extractions' means taking out; 'absorptions' means taking in; 'depositions' means settling of particles.
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