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- 1. Multiple ChoiceThis gas was in high concentrations in the early atmosphere, and later condensed to form Earth's oceans.oxygencarbon dioxidesulfur oxideswater vapor
- 2. Multiple ChoiceThis gas was in high concentrations in the developing atmospheres and later dissolved into rainwater, added to the oceans, then settled to the bottom of the ocean.oxygencarbon dioxideargonwater vapor
- 3. Multiple Choice
What was the main ingredients that caused heat energy to be trapped, creating a greenhouse effect, in the ealry atmosphere?
water and carbon dioxide
oxygen
carbon dioxide and oxygen
nitrogen and carbon dioxide
- 4. Multiple Choice
How much oxygen do we have in earth’s atmosphere?
78%
20.9%
33%
40.2%
- 5. Multiple ChoiceWhat is the percentage of nitrogen in Earth's atmosphere?1%21%78%90%
- 6. Multiple ChoiceWhat produced oxygen within the early stages of our atmosphere?PlantsVolcanosGalactic DebrisBacteria
- 7. Multiple Choice
This gas was in high concentrations in the early atmosphere, and later condensed to form Earth's oceans.
oxygen
carbon dioxide
sulfur oxides
water vapour
- 8. Multiple ChoiceWhat happened to the carbon dioxide that was dissolved in the early oceans?It evaporatedIt turned into sedimentIt was changed into oxygenI can't think of another good wrong answer
- 9. Multiple ChoiceWhy is Earth's atmosphere important?It is beautiful.It prevents pollution from happening.Life on Mars could not exist without it.Life on Earth could not exist without it.
- 10. Multiple ChoiceAccording to scientists, both Earth and moon are...About 1.6 Billion Years OldAbout 4.6 Billion Years OldAbout 9.6 Billion Years OldAbout 14 Billion Years Old
- 11. Multiple Choice
What was the effect of volcanoes on the Earth's early atmosphere?
Volcanoes released gases to form the atmosphere
Volcanoes released water vapour
Volcanoes released gases and water vapour
Volcanoes changed the landscape
- 12. Multiple Choice
What was the Earth's early atmosphere like ?
Similar to Mars and Venus. A large amount of carbon dioxide,little or no oxygen small amounts of other gases, such as ammonia and methane
Similar to Mercury. A large amount of oxygen, sodium and hydrogen.
Similar to Jupiter. A large amount of hydrogen and helium.
Similar to Pluto. A large amount of nitrogen.
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