Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Science

What's the hardest surface in the world?

1 Answer

The hardest substance in the world is the diamond and it has a rating of 10 on the Mohs scale

{{ relativeTimeResolver(1583625804923) }}

LIVE
Points points 57
Rating

Similar Questions
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE