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:
silicon and carbon have tge same number of valence electrons !
Answer:
D, they are all the same size.
Meiosis creates 4 different cells they are not copied like mitosis
<span>hose at risk of exposure to blood or bodily fluid
The health care employees that are eligible to receive a hepatitis b vaccination for free are those who are at a high risk of exposure to contaminated blood or bodily fluid, this is in the hope to prevent them from catching hepatitis b while dealing with patients.</span>
