1) About how much of the sun’s radiation would strike the Earth


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1) About how much of the sun’s radiation would strike the Earth if the Earth did not have its atmosphere? A) about 10 times more B) about twice as much C) it would be about the same D) about half as much 2) With all of the sun’s energy striking the Earth every second of every day, why doesn’t the Earth overheat and kill us all? A) The Earth is so large and dense that it absorbs all of this heat. B) The Earth is overheating regionally, melting rocks into the lava of volcanoes. C) The Earth maintains a balance by radiating this heat back into space. D) The atmosphere of the Earth prevents the solar radiation from reaching the Earth’s surface. 3) New buildings that receive the energy star rating are recognized for: A) using solar or geothermal for at least 30% of the building’s energy needs. B) using solar power for at least 50% of the building’s energy needs. C) using wind power for at least 20% of the building’s energy needs. D) using 40% less energy than other buildings in their class. 4) Photovoltaic cells are commonly used to power: A) calculators. B) lighthouses. C) lawn mowers. D) industrial manufacturing. 5) Solar trough technology converts A) the ultraviolet light in sunlight directly into electricity. B) the heat of the sun into steam to drive a turbogenerator. C) sunlight into electricity which then produces steam heat. D) the direct current generated by photovoltaic cells into alternating current. 6) As sun shines on its leaves, a bean plant uses the light in photosynthesis to make beans. This entire process represents, in this sequence, the: A) generation, collection, and conversion of energy B) storage of energy, collection, and conversion C) conversion, collection, and storage of energy D) collection, conversion, and storage of energy Unit 4 Examination GED 108 Environmental Science 170 7) Which one of the following does not represent indirect solar energy? A) nuclear fission B) dams C) firewood D) windmills 8) In passive solar units that heat water, the water moves because: A) flat-plate collectors are facing the sun B) heated water rises up from low-positioned flat-plate collectors to the water tank C) wind-powered pumps move the water through the system D) an electric water pump moves the water through the system 9) Risk in environmental health is most related to: A) hazards B) vulnerability C) hazards multiplied by vulnerability D) hazards or vulnerability 10) Hazard is anything that can cause any of the following EXCEPT: A) injury or death to humans B) probability of suffering C) damage to personal or public property D) deterioration or destruction of environmental components 11) The ratio of weight in kilograms divided by the square of height in meters is the: A) body mass index. B) body height matrix. C) morbidity rate. D) none of the above 12) The Centers for Disease Control employs many people who study epidemiology. These people might be interested in: A) identifying new types of infectious disease B) the prevention of infectious disease C) the worldwide distribution of infectious disease D) identifying, tracking the spread of, and preventing infectious disease Unit 4 Examination GED 108 Environmental Science 171 13) What has overtaken tuberculosis as the disease that causes the most adult deaths worldwide? A) Malaria B) Measles C) Syphilis D) AIDS 14) The WHO has stated that _____________ is the world’s biggest killer. A) obesity B) poverty C) high cholesterol D) high blood pressure 15) Over the past 50 years, global life expectancy has: A) decreased by about 5 years, due primarily to increases in viral infections B) stayed about the same, due to new diseases spread by global climate change C) risen about 5 years due to the development of many poor nations D) risen more than 20 years due to better health care and nutrition worldwide 16) Risk management involves: A) a thorough review of the information available pertaining to the hazard in question and the risk characterization of that hazard. B) a decisi

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