Question | Answer |
constructive forces | processes which raise or build up the surface of the earth. |
delta | a deposit of soil or silt formed wherever a swift stream or river empties into a lake, ocean or a slower river. it has a triangular shape. |
destructive forces | processes which lowers the surface of the earth |
sand dunes | a mound of sand that is deposited by the wind |
deposition | the process of droping or depositing sediment in a new location |
faults | a large crack in the layers of rock where movement has occured |
erathquake | a vibation of the earth caused by energy that has been stored along a fault |
erosion | carrying away weathered soil, rock, and other materials on the earth's surface by gravity, water, and wind |
decomposers | an organism that obtains evergy from decaying organic material |
weatheering | the process of physical disintegration and chemical decomposition of solid rock materials at or near the earth's surface |
organisms | a living thing |
levee | a long, narrow embrankment usually built to protect land from flooding, can also occur naturally along a river |
seismologic studies | the study of earthquakes and the structure of the earth, by both naturally and artificially generated seismic waves |
beach reclatammation | the process of reestablishing a beach after severe erosion has depleted it |
flood control | any activity designed to reduce the flow and impact of a flood including levees reservoirs, and dams |
volcano | type of mountain formed when tectonic plates push magma from under the earth's surface; this hardened lava forms a mountain |
dam | a barrier controlling the flow of water and backing up water |