Q.

Diamond is formed beneath the earths surface at what temperature

A. 150⁰ to 180⁰
B. 1500⁰ to 1800⁰
C. 15000⁰ to 18000⁰
D. none of the above
Answer» B. 1500⁰ to 1800⁰
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Gem and Jewellery Skill

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