Promotion of Equality and Prevention of Unfair Discrimination Act.
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! :)
The correct answer is. Looking from a window at the white cliffs of dover out to sea
creating the first plane introducing a new mode of transportation to mankind and changed the way aerodynamics works