A __________ has no definite chemical composition.

___________ may be formed through different process and are also classified on the basis of their formation.

_________ make extensive landforms.

___________ were formed due to cooling,solidification,crystallization of molten material of the earth.

___________ rocks are associated with volcanic activity.

___________ are chiefly compsoed of granite and commonly form the core of mountain ranges.

When the magma solidifies with in the earth's crust it cools is called ___________.

____________ are aggregates of mineral elements.

Granite is __________.

___________ are light in weight.