Question

No any other substance is as hard as diamond.(Use: hardest)

Answer 1

$\huge\mathfrak\pink{Question:}$
No any other substance is as hard as diamond.(Use:$\orange{hardest}$ )

$\huge\mathfrak\pink{Answer:}$

Diamond is the $\orange{hardest}$ substance.

$\textbf{l hope it helps you....}$

Answer 2

Answer:

Diamond is the hardest substance.