Solve these clues to fill the grid.
- The physical composition of something
- 4 Across
- Tiny grains found on beaches
- 5 Across
- A quantity that can be processed or transported at one time
- 6 Across
- Any of several eruptive skin diseases characterized by hard thick lesions grouped together (plural)
- 7 Across
- Force that pulls objects toward the Earth
- 9 Across
- A low ___ adjacent to a river that is formed chiefly of river sediment and is subject to ___
- 10 Across
- Frozen water
- 12 Across
- The wearing down of rock particles by friction due to water or wind or ice
- 13 Across
- Accumulated earth and stones deposited by a glacier
- 14 Across
- Solid unweathered rock lying beneath surface deposits of soil
- 15 Across
- The layer of soil between the topsoil and bedrock
- 1 Down
- A low triangular area of alluvial deposits where a river divides before entering a larger body
- 2 Down
- Clear liquid we drink that falls as rain
- 3 Down
- Partially decomposed organic matter
- 8 Down
- A slowly moving mass of ice
- 9 Down
- The natural process of laying down a ___ of something
- 11 Down