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9. Biodiversity is valuable partly because it (1 point)
gives us interesting things to look at.
tells us about many other species.
contributes to medicine and agriculture.
provides humans with resistance to disease.
10. Which of the following is NOT a threat to biodiversity? (1 point)
pollution
deforestation
crop rotation
climate change

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Kalahira
9. Contributes to medicine and agriculture Explanation: The plant varieties and different animal species in a given location helped vegetation and many medicines were found to help mankind.
 10. Crop rotation Explanation: different varieties of crop were developed and rotation of crops in due seasons is essential for the growing population. Pollution, deforestation and climate change all affect the world.

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