Question

Which of the following is the best explanation of the difference between weathering and erosion? A. Weathering is the process that deposits sediment, while erosion is the process that carries sediment away. B. Weathering is the process that breaks down sediment, while erosion is the process that deposits sediment. C. Weathering is the process that breaks down sediment, while erosion is the process that carries sediment away.

Answer 1

The best explanation of the difference between weathering and erosion is: C. Weathering is the process that breaks down sediment, while erosion is the process that carries sediment away.

Weathering involves the physical or chemical breakdown of rocks and minerals at the Earth's surface, while erosion refers to the movement of those weathered materials from one location to another.

Answer 2

Which of the following is formed by chemical weathering? A. Delta B. Caves C. Sand dunes

Answer 3

The correct answer is B. Caves.

Caves are often formed by chemical weathering, particularly through the process of karst topography, where acidic water dissolves soluble rock such as limestone, creating underground spaces and caverns. Deltas and sand dunes, on the other hand, are formed by sediment deposition processes rather than weathering.

Answer 4

Which is the best explanation for ice wedging? A. A glacier scraping across the earth, breaking the rock into sediment B. Water seeping into a crack, then expanding when it freezes, pushing the rock apart C. Animals burrowing into ice and breaking apart rock

Answer 5

The best explanation for ice wedging is B. Water seeping into a crack, then expanding when it freezes, pushing the rock apart.

Ice wedging occurs when water infiltrates cracks in rocks, and when the temperature drops, the water freezes and expands. This expansion exerts pressure on the surrounding rock, causing it to crack and break apart over time.

Answer 6

Which kind of weathering is abrasion? A. Physical weathering B. Chemical weathering

Answer 7

Abrasion is classified as A. Physical weathering.

Abrasion occurs when rocks and particles are worn down through friction and contact with other materials, often carried by wind, water, or ice. This mechanical process breaks down rocks without changing their chemical composition.

Answer 8

Which kind of weathering is oxidation? A. Physical weathering B. Chemical weathering

Answer 9

Oxidation is classified as B. Chemical weathering.

Oxidation involves the reaction of substances (often minerals) with oxygen, leading to changes in the chemical composition of the material. A common example is the rusting of iron when it reacts with oxygen, which alters the original material.