भूगोल अर्थात Geography शब्द का सर्वप्रथम प्रयोग यूनानी (Greek) विद्वान ईरेटॉस्थनीज नें किया था। Geography शब्द यूनानी (…

Production of goods in large quantities after processing from raw materials to more valuable products is called manufac…

Minerals  :   Minerals are homogenous, naturally occurring substance with a definable internal structure. Minerals are …