question_answer

Consider the following statements: 'Vulcanicity' refers to

1. All those processes in which molten rock material or magma rises into the crust.

2. The greater bulk of the volcanic rocks of the earth's surface were erupted from volcanoes.

3. The process of solidification of rock into crystalline or semi crystalline form from molten rock material after being poured out on the surface.

Which of the statements given above are correct?

A)  1, 2 and 3        

B) 1 and 2

C) 2 and 3

D)  1 and 3