Which of the following would have resulted from the functions of prokaryotes on early Earth? more carbon became present in Earth's soil
more nitrogen gas became present in the atmosphere
less sulfur became present in Earth's soil
more oxygen gas became present in the atmosphere

What are the similarities between photosynthetic and anaerobic organisms?

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Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a. earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c. earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.