Weathering

Q. In which portion of a rock does repeated expansion and contraction develop resulting in block disintegration?

1. Joints of rocks
2. Surface of rocks
3. Core of rocks
4. Tip of rocks

Q. While walking on the desert, you found outer layers of a rock peeled away like an onion. Which of the following factor is responsible for this phenomenon?

1. Pressure
2. Temperature
3. Gravity
4. Moisture

Q. Which of the following phenomenon describes the weathering of the rock layer by layer because of its expansion and contraction that builds up stress and pressure in it?

1. Erosion
2. Denudation
3. Exfoliation
4. Expiration

Q. Weathering that occurs due to change in temperature, humidity, or the slope of land is known as weathering.

1. physical
2. chemical
3. biological

Q. What is weathering?

1. The changes in the weather of a place.
2. The process of trees shedding leaves.
3. The breaking down of rocks.
4. The change in seasons.