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Which statement best describes an environmental consequence of using fossil fuels? A. The carbon dioxide released is completely absorbed by the oceans, so its concentration in the atmosphere does not change. B. Coal has a higher hydrogen to carbon ratio than…
Methane, carbon dioxide and water vapour are all greenhouse gases. Which property do these gases share that makes them greenhouse gases? A. They absorb the ultraviolet part of solar radiation before it reaches the Earth's surface. B. They are all produced only…
Which of these fuels comes from a renewable energy source? A. kerosene obtained from crude oil B. biodiesel produced from rapeseed oil C. lignite (brown coal) D. hydrogen produced from natural gas