2) True or False : a) Diamonds are
used in glass cutting and rock drilling
machines -
O True
O False
Answers
Answered by
0
true
as diamond is one of the hardest substance on earth so it is used in cutting rocks and glass
Answered by
0
Answer:
true
Explanation:
diamond is the hardest substance in the nature it had high melting point and boiling point. it cannot be broken easily
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