a triangular landform where a river Delta empties into another body of water The buildup of land by the settlement of sediment and soil in a Deposition new location the gradual wearing down of something by wind, water, and Erosion other natural forces Feature on the surface of Earth such as a mountain, hill, dune, Landform ocean, or river Hills formed by wind blowing and Sand Dune depositing sand the breakdown of solid materials into very small particles by water, Weathering air, and natural events Alternative Energy energy produced by means other Resource than the burning of fossil fuels carbon-based fuel made from Biofuel recently produced biomass Energy that comes from the natural Geothermal heat inside the earth a renewable source of energy based on the natural movement of Hydroelectricity water a resource that cannot easily be exhausted because it is rapidly Renewable Resource replaced by nature energy that comes directly from the Energy sun Energy that comes from changing the power of moving air into a Wind Energy useful form Materials from Earth that cannot be replaced within a reasonable Non-Renewable amount of time, such as oil, coal, Resource and natural gas Materials introduced into an environment that cause damage, Pollution discomfort, or instability
Delta a triangular landform where a river empties into another body of water Deposition The buildup of land by the settlement of sediment and soil in a new location Erosion the gradual wearing down of something by wind, water, and other natural forces Landform Feature on the surface of Earth such as a mountain, hill, dune, ocean, or river Sand Dune Hills formed by wind blowing and depositing sand Weathering the breakdown of solid materials into very small particles by water, air, and natural events Alternative Energy Resource energy produced by means other than the burning of fossil fuels Biofuel carbon-based fuel made from recently produced biomass Geothermal Energy that comes from the natural heat inside the earth Hydroelectricity a renewable source of energy based on the natural movement of water Renewable Resource a resource that cannot easily be exhausted because it is rapidly replaced by nature Energy energy that comes directly from the sun Wind Energy Energy that comes from changing the power of moving air into a useful form Non-Renewable Resource Materials from Earth that cannot be replaced within a reasonable amount of time, such as oil, coal, and natural gas Pollution Materials introduced into an environment that cause damage, discomfort, or instability