Biology, 11.10.2020 14:01 girlygirl2007
Which major processes were needed for the origin of life on Earth?
Abundance of oxygen and the ozone layer
Active volcanoes and very cold temperatures
Low levels of ultraviolet radiation and specific mixture of gases
Organic molecules produced from spontaneous synthesis or from meteorites
Answers: 2
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Which major processes were needed for the origin of life on Earth?
Abundance of oxygen and the ozon...
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