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Quiz von pam.hinton61, aktualisiert more than 1 year ago
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Erstellt von pam.hinton61
vor mehr als 9 Jahre
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Frage 1
Frage
Which of these statements are correct about earths early atmosphere??
Antworten
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Most of the atmosphere in early earth was made up of carbon dioxide, there was nearly no oxygen!
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The earths atmosphere has always stayed the same, it has always been made up of mainly oxygen!
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The earths atmosphere has always stayed the same, it has always been made up of mainly nitrogen!
Frage 2
Frage
The earths atmosphere now is mainly made up of nitrogen!
Antworten
- True
- False
Frage 3
Frage
What was the earths surface originally like??
Antworten
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It was originally like a plane of ice and snow!!
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It was originally molten!!
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It was the same as it is today!!
Frage 4
Frage
What gases do volcanoes give out when they erupt??
Antworten
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carbon dioxide, water vapour and small amounts of other gases!
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nitrogen and carbon dioxide!
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nitrogen, water vapour, carbon dioxide and small amounts of other gases!
Frage 5
Frage
As no one was around in earths early atmosphere, how do scientists give an idea of what it was like??
Antworten
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They guess!!
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They travel back in time!!
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They evaluate dormant volcanoes that have survived that long!!
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They use what the atmospheres of other planets are like, Mars and Venus, today!!
Frage 6
Frage
How did the CO2 in earths early atmosphere decrease??
Antworten
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The CO2 dissolved in the oceans that formed!!
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It evaporated!!
Frage 7
Frage
Marine organisms also took part in increasing the amount of oxygen in the air!!
Antworten
- True
- False
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