Page 17 - sheet 2nd term prim 4_Classical
P. 17
Delta Modern Language School
Grade 4
Date ......./......./………
Deposition: it is the process of laying down of sediment after its erosion.
❖ Some effects of deposition process in the shape of land:
Factor causes changes Its effect
1- A river meets the sea Formation of a delta
2-Wind in the desert. Formation of sand dunes
➢ Erosion and deposition are linked processes, erosion doesn’t occur in a
place without deposition in another, and vice versa.
Delta: it is a piece of land with fan-shaped
(triangle shape) that is formed when a river
enters a large body of water such as a sea or an
ocean
Sand dunes: They are small hills of sand
found in desert or on top of a beach.
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