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abby chapter2

weathering The way rock is broken down by physical and chemical proccesses.
mechanial weathering The break down of rocks into smaller pieces by physical means.
abrasion The grindeing and wearing away of a rocks surface by machanical actions of other rocks and sand article.
chemical weathering The way rocks break down as a result of chemical reactions.
differential weathering The way that solfter less weather resistant rocks wear away, and leave harder more weather resistant rocks behind.
bedrock Is a layer of rock under the soil.
glaciers A large mass of moving ice.
humus The dark organic decayed roots, bugs, animals, etc. found in soil.
topsoil The top layer of soil.
habitat the place where plant and animils live.
desertification Land desegidation. Without plants and moisture soil will blow away.
erosion The way wind,water and ice or gravity transport soil and sediment from one location to another.
Created by: aclove