Earth
Which of these types of energy is cleanest and causes the least pollution?
More Questions from Earth
What molecules in fossil fuels are made from carbon and hydrogen?
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Most minerals may be identified using the following methods except which?
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What theory proposes that Earth's landmasses were once connected and drifted apart?
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What is the weather phenomenon known as a "tsunami"?
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Which of these is the best way meteorologists track big storms such as hurricanes?
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What produces more energy than all the world's nuclear weapons combined?
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What process carries minerals down into lower soil horizons?
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