1) which type of rock is used to lay railway track ? a) pumice b) granite c) basalt 2) Shore Temple is made of a) granite b) basalt c) marble 3) This rock is used in the construction of road. a) marble b) basalt c) pumice 4) Rocks formed by cooling of lava? a) marble  and granite b) basalt  and pumice c) granite 5) Why granite is used to make the tops of kitchen counter? a) It is very cheap. b) It wear out easily . c) It is very hard rock and does not wear out easily. 6) Dentists use __________ rock to polish teeth . a) basalt b) slate c) pumice

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