Gases from burning coal and oil dissolving in water in the atmosphere causes acid rain, and coal-fired power plants contribute to acid rain. Given these facts, what can power plants cause among the following options: - Pesticides - wind - heat energy - acid rain - friction - Pollution - coal - oil
acid rain
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Burning fossil fuels increases the carbon in the atmosphere, and global warming is caused by carbon dioxide trapped in the atmosphere. Given these facts, what kind of fuel use adds the most to global warming among the following options: - elbow grease - vehicles - fossil - Pollution - engines - Cars - hydroelectricity - solar energy
fossil
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Rest has a positive impact on a health, and sleep provides relaxation and rest. Given these facts, what has a positive impact on health among the following options: - poor diet - lack of exercise - squids - poison - running - tuna - sleep - stamina
sleep
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Rain causes erosion, and rain is liquid precipitation. Given these facts, what causes erosion among the following options: - standing water - coastlines - mouth of rivers - ice wedging - liquid precipitation - Physical weathering - trees - gravity
liquid precipitation
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