a barrier constructed to hold back water and raise its level, the resulting reservoir being used in the generation of electricity or as a water supply

a wall or embankment erected to prevent the sea from encroaching on or eroding an area of land

The process by which land is broken down

each of a series of flat areas made on a slope, used for cultivation

a triangular tract of sediment deposited at the mouth of a river, typically where it diverges into several outlets

a natural opening eroded out of a cliff face by marine processes

an embankment built to prevent the overflow of a river

a sort of a temperature map that shows detected heat energy invisible to the human eye that displays objects (whether clouds, water or land surfaces) based on the temperature of the object.

a deep gorge, typically one with a river flowing through it

the study of seismic waves, energy waves caused by rock suddenly breaking apart within the earth or the slipping of tectonic plates

a breakwater constructed to protect or defend a harbor, stretch of coast, or riverbank

geographic information system that lets us visualize, question, analyze, and interpret data to understand relationships, patterns, and trends

plowing along the contours of the land in order to minimize soil erosion

a mountain or hill, typically cone-shaped, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust

Shifting of the Earth's outer shell gliding over the mantle, the rocky inner layer above the core

How can plants cause the weathering of rocks?

Earthquakes can cause which of the following

Richter scales are used to measure

What is the name of a place where tectonic plates meet and show movement?