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Which major processes were needed for the origin of life on earth?
A. Abundance of oxygen and the ozone layer
B. Active volcanoes and very cold temperatures
C. Low levels of ultraviolet radiation and specific mixture of gases
D. Organic molecules produced from spontaneous synthesis or from meteorites

A long time ago many meteorites would hit the Earth and these space rocks had many different Organic molecules which then later started life. Although many of the options helped this process they were not necessary which is what the quiz is asking you.

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arshikhan8123 arshikhan8123 · Answer 2 · 2022-06-17T16:23:12+02:00

Organic molecules are produced from spontaneous synthesis or from meteorites.

What is the first major event on how life originated on Earth?

The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by living things.

What are the possible scientific explanations of the origin of life on Earth?

Many scientists favor the RNA world hypothesis, in which RNA, not DNA, was the first genetic molecule of life on Earth. Other ideas include the pre-RNA world hypothesis and the metabolism-first hypothesis.

Learn more about Earth here https://brainly.com/question/18496962

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