Question

2.
Volcanoes erupt due to-
(a) internal disturbance of the earth.
(b) external disturbance of the earth.
(c) climate change.
(d) man-made changes on the earth.
3
Which one brings a sudden change in the environment?​

Answer 1

Answer:

option a

Explanation:

internal disturbance of the earth.is correct

Answer 2

Answer:

Internal disturbance of the earth