Which of the following is not a disadvantage of using wind power?
a.
turbines are expensive.
b.
birds often fly into fan blades.
c.
energy production decreases at night.
d.
turbines are only effective in specific areas.

Gold is not now being extracted from seawater. why not? a. it would be too disruptive to marine life to develop any marine mineral resources b. there is no gold in seawater c. we don't know how to extract minerals from seawater d. it would be too costly and difficult to separate the small amount of gold from the very large amounts of halite and other minerals

Which of the following statements about geographers' perceptions and perspectives is false? a. geographers avoid looking at the world with different perspectives. b. regions are a relative thing and a matter of perception. c. spatial distribution can be a matter of perception. d. mental maps are a way that people memorize and perceive the world around them. select the best answer from the choices provided. a b c d

Describe at least three examples of how people and wildlife have adapted to their environments in the middle east.