Label the sequence of events in the evolution of the atmosphere in the correct order.

1. The atmosphere is thin. Earth is hot due to meteorite bombardment.

2. A thick atmosphere develops due to volcanic outgassing, shielding the surface from meteorite bombardment.

3. Earth cools. Water vapor condenses and oceans form.

4. Cyanobacteria evolve in the oceans and produce oxygen.

5. Photosynthesis by cyanobacteria reduces the level of

carbon dioxide in the air. Banded iron formations form in the oceans.

Question

Geography

Danielle Nixon

23 June, 20:00

Label the sequence of events in the evolution of the atmosphere in the correct order.

1. The atmosphere is thin. Earth is hot due to meteorite bombardment.

2. A thick atmosphere develops due to volcanic outgassing, shielding the surface from meteorite bombardment.

3. Earth cools. Water vapor condenses and oceans form.

4. Cyanobacteria evolve in the oceans and produce oxygen.

5. Photosynthesis by cyanobacteria reduces the level of

carbon dioxide in the air. Banded iron formations form in the oceans.

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Answers (1)

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Tripp Martin · Answer 1

1. The atmosphere is thin. Earth is hot due to meteorite bombardment.

2. A thick atmosphere develops due to volcanic outgassing, shielding the surface from meteorite bombardment.

3. Earth cools. Water vapor condenses and oceans form.

4. Cyanobacteria evolve in the oceans and produce oxygen.

5. Photosynthesis by cyanobacteria reduces the level of carbon dioxide in the air. Banded iron formations form in the oceans.