write the answer of b . no spam .
class 7 . no spam .
Answers
Answer:
Minerals should be used cautiously and in a planned manner because they are country's valuable possession. and as you know they are non renewable resources we meet to preserve them for the next generations
Step-by-step explanation:
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answer of 1st one
non-metals are minerals (Non-metallic minerals) which, as a rule, do not serve as raw material for the extraction of metal. The group of non-metals, which is widespread amongst the variety of minerals, is of great economic significance.
Metallic Minerals are composed of one or more metallic elements whereas non-metallic minerals do not contain any metal elements instead they consist of chemical elements that usually don’t feature the properties or characteristics of metals.