Fact 1: Erosion causes deposition.

Fact 2: Destructive forms include erosion and weathering.

Given the two facts above, answer the question "What is a cause of deposition of sediment to the earth?" with the following options: 
- Dilution
 - salt and water.
 - flooding
 - weathering
 - contamination
 - Water expanding
 - rainfall
 - climate


 

    weathering     