1The annual cycle of beach widening, and erosion is most closely related to and

Question

1The annual cycle of beach widening, and erosion is most closely related to and caused by: a monthly changes in tidal cycles b. mean annual air temperature changes from year to year c. long term changes in regional and global climate d. seasonal changes in total wave energy and types of breakers e all the above significantly affect the annual cycle 2-The large but infrequent coastal storms create dangerous conditions known as storm surges. The one hazardous aspect of storm surges that can be most easily reduced or a. high water flooding b. structural damage caused by waves c. damage by high winds d. loss of beach front property to erosion e. loss of life and physical injury If multiple dune lines (two or more) are present behind the beach the frontal dune facing the ocean is usually 3. than the dune lines further inland. a. younger b. older c. relative age cannot be determined 4. In the northeastern U.S. the plant that is most important in stabilizing newly formed dunes is called; a. Spartina b. Phragmites c. Beach Grass d. Algae 5. The drift of beach material along the shore is called the longshore drift or current. This drift of water and material is difficult to measure directly because: a. it is causes by the Gulf Stream b. large, infrequent storm waves move much more than average daily waves c. tides are different from one day to the next d. sea level is rising and changing the position of the current

Explanation / Answer

1) The correct answer is option d i.e seasonal changes in total wave energy and type of breakers.

2) The correct answer is option b i.e structural changes caused by winds.

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