How does relief change?

CHANGES IN RELIEF

There are three processes :
- ____________________ : rocks and soil are ____________________ up and ____________________ around by external agents .
- Transportation : the eroded material is transported by ____________________ like ____________________ and ____________________ .
- Deposition : the material is deposited in areas where ____________________ accumulate .

WATER
Water plays an extremely important role in these processes :
- Rivers ____________________ materials in their steep upper slopes , where they create river ____________________ and canyons . Then rivers transport erode materials along the ____________________ course . They deposit sediment which accumulates in ____________________ areas .
- Sea and oceans : ____________________ and ____________________ wear away the coast and create ____________________ . Sea water transports eroded material and desposits it on the coast , where it forms ____________________ .
- Rainwater and groundwater dissolve ____________________ like limestone .

WIND
The wind ____________________ particles of ____________________ and ____________________ and desposit them in a different place . This explains the formation of sand ____________________ .

TEMPERATURE
There is a great ____________________ between daytime and night - time temperatures in mountains and deserts . ____________________ enters the cracks in rocks and freezes .

LIVING THINGS
Living things change relief . For example , ____________________ and ____________________ are fragmented by tree ____________________ and the ____________________ that animals dig .
Human beings influence the landscape greatly through activities like ____________________ and ____________________ . We sometines make the terrain ____________________ to build ____________________ or houses states .