Official Answer Key & Detailed Solution
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Correct Answer: Option (D) — Reducing the global warming
Concept & Option Breakdown
Standard Reference VerifiedOption (d) is correct: Both stratospheric aerosol injection (reflecting incoming solar radiation) and cirrus cloud thinning (allowing more longwave infrared radiation to escape into space) are proposed solar radiation management (SRM) geoengineering techniques aimed at mitigating global warming.
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