78%- Nitrogen, 21%- Oxygen, 1%- Other gases, 0.04%- Carbon Dioxide
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How long has the atmosphere been like it is today?
200 million years
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What is a carbon footprint?
The carbon footprint of a product, service or event, is the total amount of carbon dioxide and other greenhouse gases that are emitted over its full cycle
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What is limestone made up of?
Calcium Carbonate
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What could global warming cause?
Flooding, Severe storms, timing of rainfalls, more draughts, increase in heatwaves
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What causes global dimming?
Aerosols and other particulates absorb solar energy and reflect sunlight back into space. The pollutants can also become nuclei for cloud droplets
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What would happen if there was no greenhouse effect?
It would be to cold to be habitable and it would be to cold for water to remain a liquid
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What is global dimming?
Global dimming is the gradual reduction in the amount of global direct irradiance at the Earth's surface that was observed for several decades after the start of systematic measurements in the 1950s. The effect varies by location.
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How were sedimentary rocks formed?
They form when sediment (eg. plants, dead animals) are deposits and over millions of years they they are buried and become compressed
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When did the oceans form?
4 billion years ago
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What kind of activity was happening in the early earth?
Intense volcanic activity
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Other cards in this set
Card 2
Front
What is the atmosphere made up of today?
Back
78%- Nitrogen, 21%- Oxygen, 1%- Other gases, 0.04%- Carbon Dioxide
Card 3
Front
How long has the atmosphere been like it is today?
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