A softball is tossed upward with 100 J of kinetic energy in the presence of air resistance. When the ball returns to its initial level its kinetic energy is
A. less than 100 J.
B. 100 J.
C. more than 100 J.
D. need more information
Answer: A
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Higher amounts of water vapor are found near the Gulf of Mexico because [INSERT FIGURE 5-10B. INCLUDE CAPTION]
A) the Gulf's high water temperature promotes evaporation B) the Gulf's low water temperature promotes evaporation C) the Gulf's high water temperature promotes condensation D) the Gulf's low water temperature promotes evaporation
What agriculture hearth did domesticated coffee emerge from?
A) Latin America B) Southeast Asia C) Sub-Saharan Africa D) East Asia E) Central Asia
The Aboriginal population numbered approximately ________ upon European conquest?
A) 1 million B) 10,000 C) 300,000 D) 800,000 E) 3 million
Where are Earth's weather systems located?
A. troposphere B. stratosphere C. thermosphere D. mesosphere