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What was the Early Atmosphere like?
Little/no oxygen,as volcanoes don't release oxygen,they release water vapor and carbon dioxide
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What are the two theories on how nitrogen was added to the atmosphere?
Volcanoes, or the reactions of nitrogen which contained compounds released from volcanoes
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Igneous Rock
Molten rock cools and solidifies, interlocking crystals, granite
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Small crystals
They cool quickly
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Big crystals
They cool slowly
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Sedimentary Rock
Layers of sediment, compacted over time, contain crystals, chalk
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Metamorphic
Heat and pressure, marble
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Other cards in this set

Card 2

Front

Volcanoes, or the reactions of nitrogen which contained compounds released from volcanoes

Back

What are the two theories on how nitrogen was added to the atmosphere?

Card 3

Front

Molten rock cools and solidifies, interlocking crystals, granite

Back

Preview of the back of card 3

Card 4

Front

They cool quickly

Back

Preview of the back of card 4

Card 5

Front

They cool slowly

Back

Preview of the back of card 5
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