The louder the sounds are, the less exposure is needed to cause hearing loss.  If Jim decreases the level of sound coming from his speakers it means that the time it would take for him to experience hearing loss would increase or decrease?
increase
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Higher frequency waves have greater energy.  Waves that come in very slowly to the shores have more energy or less energy?
less energy
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Longer wavelength electromagnetic waves have lower frequencies, and shorter wavelength waves have higher frequencies.  Eric is looking at the shortest electromagnetic wave he has seen today. This wave has the highest or lowest frequency of the day?
highest
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A decrease in greenhouse gas levels decreases global temperature and an increase raises global temperature.  John's company committed to decrease greenhouse gas production worldwide. What likely happens to the global temperature in the future as a result it will increase or it will decrease?
it will decrease
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