A coastline is covered with sea caves. What kind of beach is this likely to be?
a. A low-energy beach
b. A passive beach
c. An erosional beach
d. A depositional beach
ANS: C
Sea caves occur when erosion occurs at weakened areas of sea cliffs. These caves are mostly available
only at low tide. Information can be found in the section Erosional Processes Dominate Some Coasts.
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____________________ has a mix of different combustible hydrocarbons that must be separated in order to be used.
Fill in the blank(s) with the appropriate word(s).
The Colorado River system can be said to provide water and electricity for
a. one of every ten people in the United States b. 1% of people in the United States c. 5% of people in the United States d. 10 million people in the United States e. The Colorado River does not provide electricity, but provides water for 10% of the U.S. population
Cyclogenesis is the __________ of a mid-latitude cyclone
a. development or strengthening b. weakening or dissipation c. term for the exact midpoint d. none of the above
Which of the following is NOT a way to reduce our need for newly mined phosphate? Group of answer choices
a. flush used phosphorous fertilizer into waterways so that it does not inhibit the effectiveness of newly applied phosphorous b. encourage organic farming methods c. reduce soil erosion from agricultural lands so that more phosphorous is retained in the fields for crops d. use phosphorous to grow food crops rather than biofuels crops e. recycle phosphorous-rich animal waste and bones for use in fertilizer