Question

_______________ is the hardest known substance in nature .
​

Answer 1

Explanation:

Diamond is the correct answer

Please Mark this answer as the BRANIEST answer of this question

Answer 2

Answer:

While diamonds may be the hardest naturally occurring substance found on earth, he explains, they are not the hardest available (there are two harder substances - a laboratory synthetic nanomaterial called wurtzite boron nitride and a substance found in meteorites called lonsdaleite).