A compound is a substance that contains two or more elements close elementA pure substance that is made from only one type ... of other rocks that become joined together. 1 Sediment transport ...

It explains how rocks break down into mud and sand through natural elements, which are then carried downstream by rivers. Sediments settle in layers as they reach calmer waters, such as reservoirs ...

For example, acid rain dissolves limestone to form karst, a type of terrain ... of tons of sediment into the oceans. Without the erosive forces of water, wind, and ice, rock debris would simply ...

The sediment comes from eroded rocks carried ... causing them to change into another type of rock. They are usually resistant to weathering and erosion and are therefore very hard-wearing.