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An increase in the percentage of carbon dioxide in the air due to burning of fuels is most directly linked to which phenomenon?
ALightning storms
BEarthquakes
CGlobal warming
DLunar eclipse
Answer & Solution
Correct answer: C. Global warming
1. Burning fuels raises the carbon dioxide percentage in the air.
2. This severely affects the environment.
3. The chapter gives global warming as an example of this effect.
4. Earthquakes (option B) are geological events unrelated to air gases, so they are ruled out.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology Part 2, Ch 5 "Towards Green Energy", p.62_
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