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A Secret Weapon For natrual disasters

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Shock waves from an earthquake that journey from the ground are named seismic waves. They are most powerful at the center with the earthquake, but they journey by way of Significantly of your earth and back again into the floor. They transfer swiftly at 20 situations the velocity of audio. https://www.generationgenius.com/videolessons/natural-disasters-video-for-kids/

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