Question

F. Give reasons for the following. 1. Granite, marble and sandstone are considered 2. Coal is a soft rock and it is useful in many way 3. Diamond is used for cutting glass. 4. Gemstones are used in jewellery. 5. Talc is used for making talcum powder.
what the reason above the question ❓
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Answer 1

Answer:

I don't know in the given reason

Answer 2

Answer:

2nd answer : Coal is a combustible rock and, along with oil and natural gas, it is one of the three most important fossil fuels. Coal has a wide range of uses; the most important use is for the generation of electricity. ... This material is on its way to becoming coal, but its plant debris source is still easily recognizable. so, this is the reason for your question