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7 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is the Earth made of? |
Lithosphere (land), hydrosphere (water), Biosphere (living things), atmosphere (air). |
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What is Mercury's atmosphere? |
Mercury has no atmosphere. |
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Which planet (s) have N2 for their main atmosphere? |
Earth |
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Which planet (s) have CO2 for their main atmosphere? |
Venus & Mars |
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What is the suns atmosphere made of? |
H |
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When did the big bang take place? |
13.9×10^9 |
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What are the major constituents of the earth's atmosphere? |
N2, O2, Ar |
Think chemistry and there are 3. |
