Earth
What event is caused by radiation hitting the Earth's atmosphere?
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What is a downburst covering an area smaller than 2.5 miles in diameter called?
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What polluting material can choke an animal by getting caught around its neck?
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What makes Florida's Tampa Bay a unique aquatic environment?
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What is the most photographed, painted, and scaled mountain in the world?
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Which layer of Earth's atmosphere is the very edge of space?
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