Hello! Fossil fuels are NOT renewable resources. A is out. Burning fossil fuels does produce emissions. B is our. Oil and natural gas does not exist in unlimited quantities, so C is out. However, they are the easiest fuels to make in large amounts, which is why a lot of them are use, despite limited quantities. The answer is D.
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Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy
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It's had been built about since 1958.
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Hot and Rainy, Hot humid regions
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Chemical weathering increases as temperatures rise and rain falls which means for rocks in hot and wet climates experience faster rates of chemical weathering rather than in cold or dry climates
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The first recorded attempt to discover the Northwest Passage was the east-west voyage of John Cabot in 1497
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