Yes you can! Two men can address each other as that.
Wrinkly, wise, slow, arthritis ridden and toothless
This Is how I describe old people, you may describe them
Hope this helps you ♥︎
Answer:
Indeed, diamond is the hardest material in the world. Material hardness is a property determined by scratch resistance.
Explanation:
A substance can only be scratched by something of equal or greater hardness. Therefore, only a diamond can scratch another diamond. Hope this helps! :)