1) Name two activities that are damaging our environment. a) Deforestation and Large amount of fertilizer b) Afforestation c) Playing d) Eating e) All of the above f) None of the above  2) Harmful contaminants into the environment a) Oxygen b) Ashes c) Pollutants d) Methane e) None of the above  f) All of the above 3) Which of the following is not a pollutant a) Dust b) Smoke c) Fossil fuel d) Methane e) All of the above f) None of the above 4) Two major diseases caused by air pollution are... a) Asthma and lung cancer b) Cold c) Fever d) Polio e) All of the above f) None of the above 5) Name greenhouse gases a) Carbon dioxide b) Oxygen c) Methane d) Botha a and c e) All of the above   f) None of the above 6) Major reason of global warming is... a) Planting trees b) Erratic rains c) Drought d) Both b and c e) All of the above f) None of the above 7) Excessive use of_________and_______polluts ground water  a) Insecticide b) Pesticide c) Oxygen d) Both a and b e) All of the above  f) None of the above 8) Land pollution makes land ? a) More fertile b) Infertile c) Loose  d) Both a and c e) All of the above  f) None of the above 9) Name some activities that damage the soil a) Pesticide b) Fertilizer c) Acid rain d) Solid waste e) All of the above f) None of the above 10) Name the effect that maintain the temperature of the earth. a) Greenhouse effect b) No effect c) Solid effect d) Both a and b e) All of the above f) None of the above

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