Which of the following best describes the foreshore of a beach?
A) It is the active zone of the beach that is washed by waves during the daily rise and fall of the tides.
B) It is highest part of a beach.
C) It is the part of the beach that has windblown dunes and grasses.
D) It is the area below the low-tide mark, where wave action, turbulent backwash, and longshore currents excavate a trough.
A
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Compared to the kinetic energy of a car traveling at 30 km/h, a car of half the mass traveling at 60 km/h has
A. the same kinetic energy. B. less kinetic energy. C. greater kinetic energy. D. need more information
The moderate temperatures of C climates are due to
A. intermediate location between tropical and polar climates. B. year round clear conditions associated with the monsoon. C. location near continental interiors increases temperatures. D. proximity to the equator allows for ample absorption of insolation.
The principle of isostasy was discovered by observing
A. discrepancies in measurements made by surveyors in India. B. wooden blocks floating in a tank. C. icebergs of various sizes floating in the ocean.
Which of the following is an example of ecological imperialism?
A) duck billed platypus B) brown tree snake C) red kangaroo D) Tasmanian wolf E) none of the above