Question

What is the hardest natural substance on Earth?​

Answer 1

Answer:

Diamond is the hardest natural substance on Earth

Answer 2

Answer: While diamonds

Explanation: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).18