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- Our Incredible Earth
Unit 5: Our Incredible Earth
Big Question: How do extreme acts of nature affect the Earth?
Earth is always changing. Waves and weather change Earth. Earthquakes, volcanoes, and hurricanes are natural disasters that play a big role in changing Earth. They change the very surface of the planet.
It is probable that the coldest temperature ever recorded in the United States was -80*F (-62* C) in Prospect Creek Camp, Alaska.