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“Aerial metagenomics” best refers to which one of the following situations?

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1. “Aerial metagenomics” best refers to which one of the following situations?

Collecting DNA samples from air in a habitat at one go

Understanding the genetic makeup of avian species of a habitat

Using air-borne devices to collect blood samples from moving animals

Sending drones to inaccessible areas to collect plant and animal samples from land surfaces and water bodies

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