What is the main cause of a human-created mass extinction?
a decrease in the amount of ozone...
Biology, 27.05.2020 18:03 morganwendel126
What is the main cause of a human-created mass extinction?
a decrease in the amount of ozone in the atmosphere
an increase in greenhouse gases
a decrease in the number of nonnative species introduced
an increase in the human population
Answers: 3
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