2 The body cannot produce macronutrients. What does this mean?
O A. The endocrine system does not fulfill its function.
O B.
This is the factor that separates humans from animals.
OC. Individuals need to get a prescription for these elements.
OD
All macronutrients must come from food or supplements.
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A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.