A metamorphic rock that is formed from granite:

Which one of the following looks almost like black glass?

Which one of the following are divided into three groups such as igneous, sedimentary and metamorphic?

Find out the one which has several names such as crude oil, rock oil, fossil, fuel, black gold and liquid sunlight:

Paraffin wax is obtained from:

What are formed from shells of  marine fauna?

Along with palnts which of the following are gifts of nature to human beings?

Scientists can find out about life on earth by studying:

A rock of uneven texture is:

The hot liquid rock that lies in huge underground pockets of the earth is called: