To keep the lawns surrounding the Capitol in Washington, DC, green throughout the year, scientists

and technicians have:



a. decided to grow a warm-season grass in the spring and summer and change it to a
cool-season grass for fall and winter
b. tried a mixture of zoysia grass (warm-season) and tall fescue (cool-season) grass
c. used artificial turfgrass during the winter months because of the snow
d. substituted grass with a hardy all-season ground cover


B

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El símbolo de climatización marcado con la letra E en la Figura 1 representa un/a _____.



a. ducto de aire caliente
a. ducto de retorno de aire
acondicionado
c. abertura para rejilla
d. toma de suministro de
pared

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When writing a persuasive paper or preparing for a persuasive speech, your goal should be to:

a. explore an issue or problem for which solutions are easily found b. focus on an issue or problem about which people agree c. focus on an issue or problem about which people disagree d. discuss an issue or problem that has already been satisfactorily resolved

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Explain the difference between a "pictorial" diagram and a "schematic."

What will be an ideal response?

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A physical variable that possesses both magnitude and direction is known as a

a. number. b. matrix. c. scalar. d. vector

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