CBSE Class 7 Answered
'Minerals are very important
for mankind'. Explain giving examples.
Asked by Topperlearning User | 02 Jun, 2014, 03:39: PM
Expert Answer
Rocks contain minerals. They are naturally occurring substances having certain physical properties and definite chemical composition. Minerals are used as fuels. Examples: Coal, natural gas and petroleum. Minerals such as iron, gold and aluminium are used in many industries, in medicine and to make fertilizers.
Answered by | 02 Jun, 2014, 05:39: PM
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