Question

which is the hardest present in earth​

Answer 1

Answer:

Diamond is the hardest naturally occurring substance found on Earth. But it is not the hardest substance. Wurtzite boron nitride (synthetic) and lonsdaleite (which comes from meteorites) are both harder.

mark me and follow me.....

Answer 2

Answer:

mark me brainliest

Explanation:

Q & A: The Hardest Substance | Department of Physics ... Diamond is the hardest naturally occurring substance found on Earth. But it is not the hardest substance. Wurtzite boron nitride (synthetic) and lonsdaleite (which comes from meteorites) are both harder.