Answer:
An imbalance in the naturally occurring neurotransmitters in the brain - A.
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The common denominator for both fractions is 100. You have to multiply the numerator and denominator of the first fraction (21/25) by 4, and the numerator and denominator of the second fraction (17/20) by 5 to obtain this denominator.
After doing that, you should have the fractions 84/100 and 85/100. The latter is the larger one, so your expression would be:
21/25 < 17/20
Hope this helps! If you need some more help understanding this, please reach out to me.
Answer: The Vitamin C will probably get decreased due to the food it is processed by.
Explanation: