1) what are the two types of igneous rocks ? a) intrusive and extrusive rocks b) sedimentary rocks c) metamorphic rocks 2) give an example of intrusive rocks? a) basalt b) granite c) slate 3) give an example of extrusive rocks? a) boulder b) pebbles c) basalt 4) sediments form ----------- rocks a) sedimentary rocks b) metamorphic rocks c) igneous rocks 5) what is the next stage of metamorphic rocks? a)  igneous rocks b) magma c) sedimentary rocks 6) which rock is used in red fort? a) red sandstone b) red lime stone c) red marble 7) what is the outer most layer of earth? a) crust b) mantel c) core 8) how many layers are there in earth? a) 3 b) 4 c) 5 9) name the inner layer of earth? a) core b) crust c) mantle 10) what is earth's crust made of ? a) rocks b) clay c) silt

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