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렉처 5 – 환경과학 강의 (an environmental science class)

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렉처 5 – 환경과학 강의 (an environmental science class)

 

 

 

 

This quiz must be completed in 3.5 minutes.

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1. What does the professor mainly discuss?

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2. What does the professor imply might cause a decrease in the hummingbird population?

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3. What does the professor say people have done to help hummingbirds survive?

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4. What way of collecting information about migrating hummingbirds does the professor mention?

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5. What does the professor imply researchers have learned while studying hummingbird migration?

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Your score is