What are the overall percentages of the labor force that are engaged in agriculture in developed countries and developing countries, respectively?
A) 10%; 80%
B) 5%; 60%
C) 2%; 90%
D) 15%; 50%
E) 9%; 89%
B
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Alluvium is to streams as ____________________ is to glaciers
Fill in the blank(s) with correct word
True or False: A descriptive classification scheme only requires good powers of observation
Indicate whether this statement is true or false.
Precipitation that falls on the eastern slopes of the Rocky Mountains eventually flow to the ________
A) Pacific Ocean B) Gulf of Mexico or Atlantic Ocean C) The direction of these flows can not be predicted D) The precipitation evaporates back into the atmosphere before it can reach a major body of water.
The average American generates about ________ of municipal solid waste each year. (1 kg = 2.2 lbs.)
A) 350 kg B) 400 kg C) 725 kg D) 550 kg E) 625 kg