3214033
Descrição
Quiz por pam.hinton61, atualizado more than 1 year ago
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Criado por pam.hinton61
quase 9 anos atrás
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Questão 1
Questão
Which of these statements are correct about earths early atmosphere??
Responda
-
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!
Questão 2
Questão
The earths atmosphere now is mainly made up of nitrogen!
Responda
- True
- False
Questão 3
Questão
What was the earths surface originally like??
Responda
-
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!!
Questão 4
Questão
What gases do volcanoes give out when they erupt??
Responda
-
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!
Questão 5
Questão
As no one was around in earths early atmosphere, how do scientists give an idea of what it was like??
Responda
-
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!!
Questão 6
Questão
How did the CO2 in earths early atmosphere decrease??
Responda
-
The CO2 dissolved in the oceans that formed!!
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It evaporated!!
Questão 7
Questão
Marine organisms also took part in increasing the amount of oxygen in the air!!
Responda
- True
- False
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