Which of the following nutrient groups serves as the body’s main source of energy?
a. carbohydrates c. proteins
b. fats d. vitamins
A
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In cold weather, young chicks must be kept warm by gas or electric heaters
Indicate whether the statement is true or false
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As a mother cow prepares for nursing or milking, a hormone called _________________ is released by the pituitary gland into the bloodstream.
Fill in the blank(s) with the appropriate word(s).
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Which ruler was admired for his devotion to the Christian cause?
a. Henry II b. Richard the Lionheart c. Saint Louis d. Frederick II
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The ____ is a one-to-one scale circuit pattern that is used to produce a printed circuit board.
A. large scale integration B. master pattern C. conductor traces D. multilayer sandwich E. none of the above
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