Human activities which contribute to an increase in greenhouse gases in the atmosphere
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Q 1/11
Score 0
Which statement is the correct definition for the carbon footprint of a product?
60
The total amount of carbon dioxide and other greenhouse gases emitted over a 100 year period.
The total amount of carbon dioxide emitted over its full life cycle.
The total amount of carbon dioxide and other greenhouse gases emitted over its full life cycle
The total amount of carbon and greenhouse gases emitted over its full life cycle.
Q 2/11
Score 0
Which is the main gas found in dry air?
60
nitrogen
carbon dioxide
oxygen
argon
11 questions
Q.
Which statement is the correct definition for the carbon footprint of a product?
1
60 sec
5.9.2.4
Q.
Which is the main gas found in dry air?
2
60 sec
5.9.1.1
Q.
Which gas was the earliest atmosphere mainly composed of?
3
60 sec
5.9.1.2
Q.
The Earth’s early atmosphere began to change significantly when simple organisms evolved that could carry out photosynthesis to produce their own energy. Which gas did this introduce into the early atmosphere?
4
60 sec
5.9.1.3
Q.
How much oxygen is there in today’s atmosphere?
5
60 sec
5.9.1.1
Q.
Chalk is mainly composed of calcium carbonate. When dilute hydrochloric acid was added to crushed chalk, the chalk fizzed and a gas was released from the chalk. What was the gas?
6
60 sec
5.8.2.3
Q.
Which statement about the Earth’s early atmosphere is true?
7
60 sec
5.9.1.2
Q.
Which statement about the greenhouse effect is true?
8
60 sec
5.9.2.1
Q.
Which is a possible consequence of global climate change?
9
60 sec
5.9.2.2
Q.
Which of the following is most likely to cause global dimming?
10
60 sec
5.9.2.2
Q.
A student studying fuels wanted to reduce the number of particulates produced when a fuel was burnt. How could she ensure this happened?
