SCIENCE
PHYSICAL SCIENCES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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How do inspectors at air and seaports help protect local ecosystems?
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They make sure that scientists have proper passports.
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They make sure that travelers don’t bring new species of plants or animals into an ecosystem.
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They make sure that travelers are carrying plenty of water.
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They make sure that planes and ships are on time.
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Explanation:
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