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
Answer:
Here are some examples of hypothesis statements:
If garlic repels fleas, then a dog that is given garlic every day will not get fleas.
Bacterial growth may be affected by moisture levels in the air.
If sugar causes cavities, then people who eat a lot of candy may be more prone to cavities.
Methanogens can be found in B.human intestines
Roots of plants and synthetic fertilizers can contain oxygen or come into contact with oxygen.