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select the correct answer.
what system of measurement is commonly used in the united states?
a.
system of imperial units
b.
international system of units
c. us metric system
d. us customary system
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The answer would be true.

(a) is not correct because one does not get increased cholesterol  from lifting weights.(b) is not correct because lifting weights cannot reduce the risk of a hereditary disease.(c) is not correct because back pain isn't a benefit! and plus, if he lifts weights properly, he should not have back pain.(d) is the correct answer because his ligaments will gain mass, making it easier for him to carry heavier weights and he will also be stronger!