Pick the sediments that rivers carry along with their flow.
The correct options are
The rivers coming down from mountains bring sediments like silt, sand, clay, and gravel along with them. These are called alluvial deposits. Alluvial deposits are usually most extensive in the lower part of a river’s course, forming floodplains and deltas, but they may form at any point where the river overflows its banks or where the flow of a river is checked.