Eartquake, When the land shakes or vibrates, because the technolic plates moved. , Volcano , A mountain with a hole where magma comes up. The lava turns in the rocks., Flood , Lots of rain and melted ice flows and fills a river., Weathering , When rocks break down into smaller pieces., Mechanical weatheing , Caused by sand, wind, rain, plant roots, ice, heat, Chemical weathering , Caused by salty water, minerals inside the rocks, acids and carbon dioxide, Minerals, A mineral is something that comes from the Earth and is non living thing, not organic..

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