<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>
Discerning is the answer to your question.
Answer:
Can i get a brainiest? Have a good day and stay healthy
Explanation:
The Recommended Dietary Allowance (RDA) is the value that is used in guiding healthy individuals to achieve a good nutrient intake for their body. It is a goal for average intake over time; day-to-day variation is to be expected. RDAs are set differently for certain life stage groups and sometimes they differ for males and females.
Is the organ system that protects the body from various kinds of damage,such as loss of water or abrassion from outside.
