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41) Large deposits of sediment at the mouths of rivers are called: A) barrier flats. B) barrier islands. C) bay-mouth bar. D) deltas. E) tombolos.

47) Reasons for the loss of coastal wetlands include all of the following except: A) agriculture. B) coastal housing. C) removal of mangroves and other coastal vegetation D) industrial development. E) all of the above.

13) Wave speed is equal to: A) wave height divided by frequency. B) wave height divided by period. C) wavelength divided by fetch. D) wavelength divided by frequency. E) wavelength divided by period.

43) An example of a coastal plain estuary is the: A) Chesapeake Bay. B) Laguna Madre. C) Monterey Bay. D) Pamlico Sound. E) San Francisco Bay.

30) A spring tide: A) has moderate high and low tides. B) occurs at a blue moon. C) occurs at the vernal equinox. D) has very high high tides and very low low tides E) has very little difference between high and low tides.

25) A semidiurnal tidal pattern is common along the Atlantic coast of the United States. A) True B) False

31) The angular distance of the Sun or the Moon above or below the Earth’s equatorial plane is called the: A) apogee. B) declination. C) ecliptic. D) perihelion. E) syzygy.

39) The particle size on a beach: A) can be related to the frequency of storms. B) is a function of the type of bedrock underlying the coastal area. C) is related to whatever material is locally available. D) shows seasonal variation only on low energy coasts. E) varies only with storm intensity and duration.

42) All of the following are alternatives to hard stabilization except: A) seawalls. B) beach replenishment. C) construction restrictions. D) relocation. E) beach renourishment.

10) The trough of the wave is the: