Answer:
D.
Explanation:
All of these
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So the original weight is 175 pounds, and the after weight is 161 pounds. so you can subtract 175 by 161, and then divide it by 175 pounds. finally times it by 100, you will get 8%
In chemical reaction, reactants contact each other, bonds between atoms in the reactants are broken, and atoms rearrange and form new bonds to make the products.