The price and availability of chemical fertilizers is strongly influenced by
A. the price of oil on the world market.
B. the price a farmer receives for his crop.
C. the amount of rain received in any given growing season.
D. None of these are correct.
Answer: A
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A pesky bumble bee inside a high-speed airplane has considerable
A. kinetic energy relative to the ground below. B. potential energy relative to the ground below. C. both of these D. none of the above
What was a feature of the area where capitalism was born?
A) It was made up of a variety of city-states. B) People there had no experience with money until 1800. C) The people were heavily taxed in order to build flood walls, which led to the creation of central banks. D) It was governed by an absolute dictator. E) It had religious diversity (Catholics, Hindus, Muslims, Protestants).
A hydrograph is a plot of ________.
A. sediment load versus time B. rainfall versus the drainage area C. the volume of water or stream-surface height versus time D. water quality versus time E. stream elevation versus distance downstream
A(n) ________ is a solid aggregation of ________
A) crystal; rocks B) element; crystals C) rock; minerals D) mineral; rocks E) mineral; crystals