Answer: (A) the answer is 8
Explanation:topaz on the scale is no 8, followed by corundum no 9 and then diamond which is the hardest on no 10
Glycerol is found in triglyceride. Glycerol is the main ingredient in vegetable oils and fats. It forms the base of triglyceride.
<span>Viruses are regarded as being on the borderline of living and non-living because it exhibits characteristics of both living and non-living organisms. Inside a host, the virus can act as a living organism using the host's cellular system while outside the host, the virus crystallizes that makes them incapable of conducting metabolic activities. </span>