1) Which of the following gases lead to acid rain? a) Oxygen b) Sulphur dioxide c) Nitrogen d) Methane e) Nitrous oxides f) Argon 2) Which of the following processes removes carbon dioxide from the atmosphere? a) Volcanic Activity b) Photosynthesis c) Decomposition d) Combustion e) Respiration 3) Which of the following gases are greenhouse gases? a) Nitrogen b) Water vapour c) Methane d) Argon e) Oxygen f) Carbon dioxide 4) Which of the following energy sources are renewable? a) Oil & gas power b) Hydroelectricity c) Solar power d) Wind power e) Nuclear power f) Coal power 5) Which units measure energy in food? a) kg b) kcal c) mg d) g e) kJ 6) When ancient oceanic animals died and were buried, over millions of years they turned into: a) Sedimentary rocks b) Oil c) Coal d) Gas 7) What percentage of the atmosphere is currently carbon dioxide? a) 78% b) 21% c) >1%, 280 parts per million d) >1%, 380 parts per million e) 15% f) 30% 8) What percentage of the atmosphere is currently oxygen? a) 78% b) 21% c) >1%, 280 parts per million d) >1%, 380 parts per million e) 15% f) 30% 9) What percentage of the atmosphere is currently nitrogen? a) 78% b) 21% c) >1%, 280 parts per million d) >1%, 380 parts per million e) 15% f) 30% 10) Which of the following energy sources are non-renewable? a) Solar power b) Wind power c) Hydroelectricity d) Oil & gas power e) Nuclear power f) Coal power

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