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Questions and Answers
What is the primary gas composition of Earth's atmosphere?
What is the primary gas composition of Earth's atmosphere?
- Oxygen (21%)
- Nitrogen (78%) (correct)
- Argon (0.9%)
- Carbon dioxide (0.04%)
What is the role of lightning and bacteria in the Earth's atmosphere?
What is the role of lightning and bacteria in the Earth's atmosphere?
- Fixing nitrogen to produce ammonia (correct)
- Producing oxygen for respiration
- Creating layers to minimize harmful effects of radiation
- Removing carbon dioxide from the atmosphere
What is the purpose of the layered composition of the Earth's atmosphere?
What is the purpose of the layered composition of the Earth's atmosphere?
- To minimize harmful effects of radiation (correct)
- To reduce the effects of gravity
- To create a colorful sky
- To increase the transparency of the atmosphere
What is the significance of the temperature of an atmosphere for a planet to retain it?
What is the significance of the temperature of an atmosphere for a planet to retain it?
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What is a stellar atmosphere?
What is a stellar atmosphere?
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