Well the top three hardest are Diamond, Sapphire and Ruby, and an easy way to remember is: red-white & blue stones! The hardness of a gemstone is measured on its place on Mohs scale of hardness. 10 on Mohs scale being the hardest known naturally occurring substance– and the honor goes to the diamond
Although the hardest natural stone on the planet is a diamond that is rated ten on the Mohs scale, granite is known as the most durable and hardest natural stone that is used in construction material and is measured six on Mohs scale.
The hardest mineral commonly found in granite is quartz, which is normally a somewhat translucent, white to grey colored mineral.
<em>(</em>so from your options granite is the hardest to scratch <em>)</em>
hope it helps you
:)
No.......................
Answer:
A slowdown in the supply of widgets would have the main effect of increasing their amount.
This would be because as a consequence of the slowdown, fewer products would be put up for sale. Thus, customers would have less access to them, with which their price would increase to filter this excess demand, as well as to equalize the productivity of sellers.
This situation would be temporary, and would return to its normal price once the usual offer of widgets is restored.
A is the answer to the question and b is the answer to the second
Answer:
Japanese successes on the world stage and rampant nationalism led to a belief in national superiority.
Explanation: