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Q: Both granite and basalt belong to ________ and are used as building stones.
  • A. Igneous group
  • B. Sedimentary group
  • C. Marble group
  • D. Metamorphic group
Correct Answer: Option A - Igneous rock– These are formed by cooling and solidification of magma and lava. Ex. - Granite, basalt, trap, dolerite, rhyolite, pegmatite, diorite.
A. Igneous rock– These are formed by cooling and solidification of magma and lava. Ex. - Granite, basalt, trap, dolerite, rhyolite, pegmatite, diorite.

Explanations:

Igneous rock– These are formed by cooling and solidification of magma and lava. Ex. - Granite, basalt, trap, dolerite, rhyolite, pegmatite, diorite.