DIAMOND IS THE HARDEST SUBSTANCE KNOWN, WHEREAS GRAPHITE, ANOTHER...

Question

351. Diamond is the hardest substance known, whereas graphite, another carbon allotrope, is...    .A) the softest one of    B) softest of the one    C) the one of the softest    D) one of the softest

Answer

351. Diamond is the hardest substance known, whereas graphite, another carbon allotrope, is...    .A) the softest one of    B) softest of the one    C) the one of the softest    D) one of the softest

DIAMOND IS THE HARDEST SUBSTANCE KNOWN, WHEREAS GRAPHITE, ANOTHER...

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