Geography
Assertion (A): Steam is the most abundant gas that comes out of a volcano.
Reason (R): Violent eruptions, known as bombs, eject materials varying in size.
- Both A and R are true and R is the correct explanation of A.
- Both A and R are true but R does not explain A.
- A is true but R is false.
- A is false but R is true.
Volcanoes
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Answer
Both A and R are true but R does not explain A.
Explanation — A volcano erupts a number of products like steam, gases, molten rock, dust, ashes and other liquid and solid matter. Steam escapes from a volcano regularly. However, during violent eruptions, known as bombs, solid matters are ejected varying in size.
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