C: causes of the phenomenon 1 1 E: Effect of the phenomenon 1 F1-this s phenomenon is called green house effect 1 C1-combustion of fossil fuel from vehicles/factories/forest burning/coal fire power station – 1 C2-excessive deforestation C3-Increase carbon dioxide concentration in the atmosphere caused by industries 1 C4-Pollutant/CFC/methane 1 E1-Carbon dioxide heat /infra red light /long wave radiation 1 E2-Increase in global/ atmospheric temperature/ cause a rise in earth temperature/global 1 warming 1 10 E3-melting of polar ice/rise in the sea levels Suggests measure needed to be to overcome the phenomenon (h) P1-use alternative source of energy to reduce the usage of fossil fuel energy generated from 1 wind /water solar P2-Restrict open burning/forest burning /use incinerator 1 1 P3-Reduce deforestation for farming/other development projects 1 P4-Selective harvesting /logging/cut matured tree only 1 P4-Replanting more trees which have been cut down 1 4 P6-The use of technology/unleaded petrol/catalytic converter The thinning of ozone layer No Marking scheme Marks (a) (i) State the phenomena shows in both diagrams Discuss the differences of both environmental phenomena in diagram A and B based on the following aspect -The cause -the effect -the ways to overcome10 criteria 1. State the type of phenomena 2. C: Differences in the causes 3. E: Differences in the effects
C: causes of the phenomenon E: Effect of the phenomenon F1-this s phenomenon is called green house effect C1-combustion of fossil fuel from vehicles/factories/forest burning/coal – fire power station C2-excessive deforestation C3-Increase carbon dioxide concentration in the atmosphere caused by industries C4-Pollutant/CFC/methane E1-Carbon dioxide heat /infra red light /long wave radiation E2-Increase in global/ atmospheric temperature/ cause a rise in earth temperature/global warming E3-melting of polar ice/rise in the sea levels 1 1 1 1 1 1 1 1 1 1 10 (h) Suggests measure needed to be to overcome the phenomenon P1-use alternative source of energy to reduce the usage of fossil fuel energy generated from wind /water solar P2-Restrict open burning/forest burning /use incinerator P3-Reduce deforestation for farming/other development projects P4-Selective harvesting /logging/cut matured tree only P4-Replanting more trees which have been cut down P6-The use of technology/unleaded petrol/catalytic converter 1 1 1 1 1 1 4 The thinning of ozone layer No Marking scheme Marks (a) (i) State the phenomena shows in both diagrams Discuss the differences of both environmental phenomena in diagram A and B based on the following aspect -The cause -the effect -the ways to overcome10 criteria 1. State the type of phenomena 2. C: Differences in the causes 3. E: Differences in the effects
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