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aleksklad [387]
3 years ago
12

Both coal and diamonds are forms of elemental carbon. Coal is brittle while diamonds are considered to be the hardest of all sub

stances known. What is the appropriate justification for this?
Biology
1 answer:
Leya [2.2K]3 years ago
6 0
Diamond are created from coal after 1000's of years under pressure.  
it cause a change in propertied but not elements
 
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