Why are the fins in radiators and heater cores long and flat?
A) To increase surface area B) So more air can pass over to dissipate its heat
C) Both A and B D) Neither A nor B
C
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Un refuerzo de losa que se usa para evitar que se hagan fisuras y que proporciona poca resistencia estructural es _____.
a. una barra de refuerzo b. alambre soldado c. pasadores cilíndricos lisos d. pasadores de placa cua- drados
A qualified WPS is usable for ____.
A. six months B. one year C. an indefinite length of time D. an indefinite length of time, usually until a more efficient process is found
Nonverbal communication includes all of the following EXCEPT _______
A) Mannerisms B) Explanations C) Body language D) Tone of voice
The primary function of white blood cells is to
A) remove carbon dioxide from active cells. B) clump together and stick to the blood vessel walls. C) carry oxygen from the lungs to the body's cells. D) carry nutrients from the digestive system to the body's cells. E) help defend the body against pathogens.