Paper 1 · People, Development and Environment
Assertion (A): Sulphur dioxide is a major pollutant causing acid rain, and removal of sulphur from coal can help reduce air pollution. Reason (R): Air pollution is an increasing problem in developing countries due to burning of more coal for electricity, changing lifestyles and the unavailability of environment-friendly technologies. Choose the correct answer.
ABoth (A) and (R) are true and (R) is the correct explanation of (A) ✓ Correct
BBoth (A) and (R) are true but (R) is not the correct explanation of (A)
C(A) is true, but (R) is false
D(A) is false, but (R) is true
Correct answer: (A) Both (A) and (R) are true and (R) is the correct explanation of (A) — Both (A) and (R) are true, and (R) correctly explains (A), so that is the answer.
Explanation
★Both (A) and (R) are true, and (R) correctly explains (A), so that is the answer.
★The assertion says sulphur dioxide causes acid rain and removing coal's sulphur helps.
★The reason explains that developing countries burn more coal and lack clean technology.
★This growing coal use is why sulphur pollution and acid rain are rising problems.
★So the reason explains why controlling coal's sulphur matters.
★So both are true and (R) is the correct explanation of (A).
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