Which type of DNA is useful as a "molecular clock?"
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Biology, 22.06.2019 06:30
Match the pollutants. 1. a chlorofluorocarbon smoke 2. a biodegradable organophosphate insecticide freon 3. particle pollution paint 4. hazardous waste monoxide 5. carbon is completely burned malathion 6. carbon is incompletely burned dioxide
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Biology, 22.06.2019 10:20
During convection, less dense fluid rises and denser fluid sinks.
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Biology, 22.06.2019 10:40
Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above
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Mathematics, 18.12.2020 19:40
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