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TermDefinition
soil the loose top layer of the Earth's surface; It is a mixture of sand, silt, clay, rock and humus
humus decaying plant and animal material in soil
topsoil the top layer that is a mixture of types of Earth. It is the perfect soil for plants.
soil properties different characteristics of soil such as the color, texture, capacity to retain water, and ability to support the growth of plants
retain to hold inside, as soil does with water
sediment small pieces of rock broken down by weathering and deposited on the land or at the bottom of a body of water.
weathering the breakdown of solid materials into very small particles by water, air, and other natural events.
erosion the gradual wearing down of something from the effects of wind, water, or ice
deposition the build up of land by the settlement of sediment and soil in a new location.
nonrenewable resources a resource that once exhausted cannot be replaced in a short amount of time (oil, coal and natural gas)
renewable resource a resource that can be replaced within a person's lifetime
Created by: engladej