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प्रश्न
The extinction of passenger pigeon was due to ______.
पर्याय
Increased number of predatory birds.
Over exploitation by humans
Non- availability of the food
Bird flu virus infection
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उत्तर
The extinction of passenger pigeon was due to over exploitation by humans.
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संबंधित प्रश्न
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What is common to the species shown in figures A and B?
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| A | B |
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