<span>Fayalite has a hardness of 6.5-7 on the Mohs scale. Therefore it scratches orthoclase (hardness 6), but not topaz (hardness 8).HOPE THIS HELPS:]</span>
Hello
the answer would be c have a nice day :)
Answer:
Overall attack rate is calculated by dividing the number of infected individuals by the total population.
Explanation:
Attack rate = Number of infected or ill persons × 100
__________________________
Total population
Attack rate in community A:
486 × 100
___
892
= 54.5%.
Attack rate in community B
208 × 100
___
10000
= 2.08%.
Answer:d
Explanation:Vitamins have three characteristics:
They're natural components of foods; usually present in very small amounts.
They're essential for normal physiologic function (e.g., growth, reproduction, etc).
When absent from the diet, they will cause a specific deficiency.