Mass wasting or mass movement is a common phenomenon at the foothills of big,steep mountains like Himalayas, Atlas etc.Consider the following statements regarding mass wasting.1) Rock debris that moves down the hill is mainly derived from weathering.2) The rock debris moves down mainly because of earthquake, volcano, moving water etc.Choose the correct statement/s from the following codes.

Mass wasting or mass movement is a common phenomenon at the foothills of big,steep mountains like Himalayas, Atlas etc.
Consider the following statements regarding mass wasting.
1) Rock debris that moves down the hill is mainly derived from weathering.
2) The rock debris moves down mainly because of earthquake, volcano, moving water etc.
Choose the correct statement/s from the following codes.

1 only.

2 only.

Both.

None of the above.

Explanation:
Rock debris move under the influence of Gravitational force and this movement is aided ortriggered by volcano, earthquake, moving water etc.