Non-renewable energy resources
2 marks · EasyNatural gas and coal are both used as fuels in power stations.
(a)[1 mark]
State which one releases less carbon dioxide per unit energy produced.
(b)[1 mark]
Explain why this is considered an advantage.
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Show answer
(a) Natural gas
(b) Less carbon dioxide means less contribution to global warming.
Show mark scheme and worked solution
Marking points
B1 (a) · 1 mark · Identifies natural gas as releasing less carbon dioxide.
B1 (b) · 1 mark · Correctly explains that this reduces the effect on global warming/climate change.
Worked solution
a) Natural gas releases less carbon dioxide per unit energy than coal. b) This is an advantage as it leads to less global warming.