When mountains are young, like the Rocky Mountains, they are very tall, with sharp jagged shapes. When mountains are old, they
are lower and very round. The pictures below show young mountains on the left and old mountains on the right
Which of the following processes makes mountains become rounder as they age?
A. weathering
B. deposition
C. mountain building
D. volcanic eruptions

Drag the tiles to the correct locations. each tile can be used more than once, but not all tiles will be used. one or more locations will remain empty. nitrosyl fluoride has the chemical formula nof nitrogen has five valence electrons, oxygen has six, and fluorine has seven. complete the lewis structure for this covalent compound. f n = = = . : : 0 : reset next um. all rights reserved us 2