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
Biology, 22.06.2019 03:50
What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cellaβs eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
Answers: 1
Mathematics, 26.10.2021 20:40
French, 26.10.2021 20:40
English, 26.10.2021 20:40
Mathematics, 26.10.2021 20:40
Computers and Technology, 26.10.2021 20:40
Mathematics, 26.10.2021 20:40
English, 26.10.2021 20:40
Biology, 26.10.2021 20:40
English, 26.10.2021 20:40