Water from a riverbed carries sediment downstream. The water pressure cuts deep into the riverbed, creating a deep, narrow channel What has happened? A A delta has formed . B Sand dunes are created. C A volcano has erupted . D A canyon has formed .

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.