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Q: The rocks formed by the solidification of molten lava erupted from volcano is an example of which rock?
  • A. Igneous rock
  • B. Granite rock
  • C. Besalt rock
  • D. Magnetite
Correct Answer: Option A - Igneous rocks are formed by cooling, solidification and crystallization of hot and molten magma found below the earth's crust. these are granular and crystalline rocks. These are also known as parent, primary or Basic Rocks.
A. Igneous rocks are formed by cooling, solidification and crystallization of hot and molten magma found below the earth's crust. these are granular and crystalline rocks. These are also known as parent, primary or Basic Rocks.

Explanations:

Igneous rocks are formed by cooling, solidification and crystallization of hot and molten magma found below the earth's crust. these are granular and crystalline rocks. These are also known as parent, primary or Basic Rocks.