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Q 1/25
Score 0
What is the atmosphere?
60
the mixture of air that we breathe
the ozone layer
the surroundings inside any building or structure
a layer of gas surrounding the Earth
Q 2/25
Score 0
What was the early atmosphere mostly composed of?
60
oxygen
argon
nitrogen
carbon dioxide
25 questions
Q.
What is the atmosphere?
1
60 sec
Q.
What was the early atmosphere mostly composed of?
2
60 sec
Q.
What happened to the water vapour in the early atmosphere in order to form the oceans?
3
60 sec
Q.
Photosynthesis is one way in which the amount of carbon dioxide in the atmosphere was reduced to current levels.
Which of these things is NOT a way in which atmospheric carbon dioxide was further reduced?
4
60 sec
Q.
When did life start to appear on Earth?
5
60 sec
Q.
What was the impact of life appearing on Earth on the oxygen in the early atmosphere?
6
60 sec
Q.
Nitrogen is a very stable molecule. How has the amount of nitrogen in the atmosphere changed over time?
7
60 sec
Q.
Why can scientists not be sure about the composition of the Earth’s early atmosphere?
8
60 sec
Q.
Complete current composition of the atmosphere: approximately 80% ____1____, 20% ___2___, and trace amounts of other gases such as _____3_____, water vapour, and noble gases
9
60 sec
Q.
What is a greenhouse gas?
10
60 sec
Q.
What type of radiation do greenhouse gases absorb?
11
60 sec
Q.
Which of these is NOT a greenhouse gas?
12
60 sec
Q.
Which of these is NOT a way in which human activities have increased the amount of atmospheric carbon dioxide?
13
60 sec
Q.
Which of these is NOT a way in which human activities have increased the amount of atmospheric methane?
14
60 sec
Q.
What term is used to describe the increase in the overall global average temperature?
15
60 sec
Q.
What term is used to describe the change in long-term weather patterns across the planet?
16
60 sec
Q.
Which of these is NOT a possible effect of climate change?
17
60 sec
Q.
What term is used to describe the amount of carbon a product, process, or person releases into the atmosphere over its lifetime?
18
60 sec
Q.
How is carbon monoxide formed?
19
60 sec
Q.
Which of these things is NOT a direct danger associated with carbon monoxide gas?
20
60 sec
Q.
How are atmospheric particulates formed?
21
60 sec
Q.
Which of these things is NOT a direct danger associated with particulates?
22
60 sec
Q.
How is sulfur dioxide formed?
23
60 sec
Q.
How are oxides of nitrogen formed, and what are the dangers associated with them?
24
60 sec
Q.
Which of these things is NOT a direct danger associated with sulfur dioxide and oxides of nitrogen?
