Question
[123]. Passage:
River dolphins, blind and navigating by sound, reveal the health of a river more honestly than any single chemical test. When boats, nets and pollution fill their habitat with noise and poison, dolphins vanish first, long before humans notice the river's decline. Protecting them therefore means protecting flow, depth and quiet stretches of water, not merely counting animals. A river that can still host dolphins is a river that can still support fishing, farming and drinking water for people downstream. Which inference about river dolphins is best supported by the passage?
Option 4 : dolphins vanish first when noise and pollution degrade rivers
Detailed Solution
सही उत्तर dolphins vanish first when noise and pollution degrade rivers है।
The passage supports: dolphins vanish first when noise and pollution degrade rivers.
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Question:
[123]. Passage:
River dolphins, blind and navigating by sound, reveal the health of a river more honestly than any single chemical test. When boats, nets and pollution fill their habitat with noise and poison, dolphins vanish first, long before humans notice the river's decline. Protecting them therefore means protecting flow, depth and quiet stretches of water, not merely counting animals. A river that can still host dolphins is a river that can still support fishing, farming and drinking water for people downstream. Which inference about river dolphins is best supported by the passage?
Correct Answer: dolphins vanish first when noise and pollution degrade rivers
The passage supports: dolphins vanish first when noise and pollution degrade rivers.