A school bus on a highway brakes to a stop. More braking force is required if the bus has
A. more momentum.
B. more mass.
C. less stopping distance.
D. all of the above
Answer: D
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The troposphere is warmed mostly by
A. long-wave radiation. B. clouds. C. short-wave radiation. D. solar radiation.
According to map 4.8.4, which countries changed their social media preference to Facebook between 2009 and 2012?
A) Brazil, India, and Mexico B) Russia, India, and South Africa C) Brazil, Australia, and India D) Canada, Germany, England E) England, Egypt, Argentina
Which of the following intermolecular forces is most different between saturated and cis-unsaturated fatty acids of comparable size?
A) covalent bonding B) hydrogen bonding C) ionic bonding D) London dispersion forces
The Intergovernmental Panel on Climate Change (IPCC) is
A. an ad hoc group of government environmentalists. B. a group of U.S. government scientists. C. a United Nations working group of 2500 scientists around the world. D. a group of European meteorologists and Earth scientists.