Assume that there is a linear relationship between the number of heating degree-days and fuel consumption. If the number of heating degree-days tripled from one month to the next for a building, we would expect the fuel bill to:
A) triple.
B) be one-third as much.
C) be half as much.
D) double.
E) stay the same.
A
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Which of these shapes of equal height has the lowest center of gravity?
A. Sphere. B. Cube. C. Cone resting on its base. D. all the same
The principle of ____________ ____________ is based on the observations of Forchhammer that conclude although
the total amount of dissolved solids in seawater might vary among samples, the ratio of major salts is constant. Fill in the blank(s) with the appropriate word(s).
A climate is classified as dry when annual precipitation is less than ________
Fill in the blank(s) with the appropriate word(s).
If global fertility rates remain at 2005-2010 levels, the United Nations predicts that world population will be approximately ________ billion in 2050
A) 7 B) 10 C) 11 D) 5 E) 4