question_answer

Sanjana has a piece of rock of the size almost half of a school bag. Interestingly, it can be put on the roll of a 20 dollar note as shown in the given figure. Moreover it is formed from the cooling down of hot magma. Sanjana has which of the following rocks?

A) Pumice

B) Granite

C) Sandstone

D) Marble

E) None of these