A heavy truck and a small truck roll down a hill. Neglecting friction, at the bottom of the hill, the heavy truck will have greater
A) speed.
B) acceleration.
C) momentum.
D) all of the above
E) none of the above
C
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Brain drain occurs when
A) highly educated citizens leave a country to move to another country. B) schools are closed by civil unrest. C) universities become unaffordably expensive. D) agricultural experts leave cities for the countryside.
Which of the following has the highest recycling rate?
a. paper b. glass bottles c. Aluminum cans d. car batteries e. yard trimmings
Which of the conditions below would most likely produce warming at the earth's surface?
a. increase the amount of low-level global cloudiness b. increase the amount of sulfur-rich particles in the stratosphere c. decrease the energy output of the sun d. increase the amount of global snow cover e. increase the amount of high-level global cloud cover
Which of the following refers to the process by which the physical world is examined in a logical manner?
A. Elemental Method B. Scientific Method C. Plausibility Theory D. Inquiry Theory E. Intelligent Design