Here in the United States, we have used government money (raised through your or your parent's taxes) to supply water to arid areas in the western part of the country. What strategy would be the most effective to convince the majority of people to start conserving water?
A. Charge more money for it
B. Encourage the use of gray water on the Internet
C. Produce TV commercials showing high tech gadgets to save water
D. Distribute rain barrels for free
Answer: A
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The vast majority of North America is moving ________
A) up B) down C) to the west D) to the east E) so slowly that the direction is unknown
Submarine canyons were most likely formed by ________
A) deposition of terrestrial sediment B) earthquake activity C) wind erosion in the past D) erosion by turbidity currents E) scouring by glaciers during the last ice age
Over the course of a year, this would have the least cloud cover
A) equator. B) 7 degrees north. C) horse latitudes. D) 40 degrees north. E) 50 degrees north.
In the same field, hawks hunt during the day for mice and owls hunt during the night for mice. Which type of species interaction is this?
A. resource partitioning B. parasitism C. interspecific competition D. commensalism