Answer:
The only thing that can scratch Corundum is diamond.
Explanation:
We refer to the Mohs Hardness Scale for the hardness levels. We can see that Corundum is a level 9 which is the second highest so at a level 10 we see diamond, therefore diamond is the only thing that can scratch Corundum.
Answer:
The plant cell will not produce chloroplasts, and the plant will not be green any more.
Explanation:
Hope this helps!!
The least reactive element in the third period is argon.
Hey bud, this is not a question someone can answer. Try giving us the drop down menu stuff?
Answer:
A, it doesn't matter where they were grown or the cost it matters but what's in the product and how much of what ingredients in it.