A ball is thrown upward and caught when it comes back down. In the presence of air resistance, the speed with which it is caught is
A) more than the speed it had when thrown upward.
B) less than the speed it had when thrown upward.
C) the same as the speed it had when thrown upward.
B
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A tropical cyclone with a wind speed of 170 km/hr. would be classified as Category ________ on the Saffir-Simpson Scale of hurricane intensity
A) One B) Two C) Three D) Four E) Five
What is the second most valuable marine resource?
a. Gravel b. Oil c. Gas d. Salt
If the nuclear-power option were pursued vigorously with current commercial reactor technology and regulatory requirements, all U.S. electricity needs could be supplied by nuclear power in the next 5-7 years.
Answer the following statement true (T) or false (F)
Average atmospheric CO2 concentrations have ____ over the past 100 years
A) slightly decreased B) remained constant C) significantly decreased D) increased