floodplin
land near a body of water that is likly to flood
hot spot
an area where molten rock from within the mantle rises close to Earth's surface
air mass
a large region of air that has a similar temperature and humidity
deforestation
the removal of trees from a large area
moon phases
the apparent shapes of the Moon in the sky
erosion
the process of water of weather rocks moving from one place to another
landslide
the sudden movement of rocks and soil down a slope
climate
the average weather pattern of a region over time
endangered
when a species is in danger of becoming extinct
orbit
the path an object takes as it travels around another object
deposion
the dropping off of erodes soil and bits of rocks
minerald
solid, nonliving substances found in nature
weather
the condition of the atmosphere at a given place and time
extint
when a species has died out completely
revolution
one complete trip around an object in a circular or nearly circular path