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Baby Dinosaurs
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Glaciers
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Lava Flow
Lift Off!
Mars
Microgravity
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Rock Climbing
Sand Dunes
Sinkholes
Surfing
Temperate Rain Forest
Tornados
Water Clean Up
Wetlands
Whitewater Rafting
Tip the Cup
Grow a Crystal
Solar Sail
On average, what U.S. city has the most annual snowfall?
Blue Canyon, California
Marquette, Michigan
Caribou, Maine
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