○○○carry⪢⪢
Over many years, the Colorado River has carried away particles of dirt and rock carving its path deeper and deeper into the ground.
11105#23834SIBLINGSCHILDREN23834
○○○slab⪢⪢
Glaciers are sometimes called 'rivers of ice' because they are huge _____s of ice and snow that move very slowly across the landscape.
11105#23836SIBLINGSCHILDREN23836