Q16. A wave just passed a buoy in the middle of the ocean. How would the buoy move?
A,It would move in the direction opposite to that of the wave
B,It would move first in the direction of the wave and then in the direction opposite to that of the wave
C,It would move in the direction of the wave
D,It would move up and down
E,It would move at right angles to the wave motion
Q17. Which of the following is likely to break a wave?
A,the wind increases its speed near shorelines
B,random molecular motion in wave forms
C,the bottom interferes with its oscillatory motion
D,the sediment load of water is greater near the shore
E,the density of water increases closer to shore
Q18. Which of the following statement is true?
A,Longshore currents transport sand.
B,Rising sea level creates barrier islands.
C,Submergence of shoreline creates cliffs.
D,Tides always have significant erosion.
Q19. Which one of the following is related to the volume change of ocean water?
Q20. Which of the following is true?
A,When waves of translation move from deep water to shallow water near the coast, they change shapes and become waves of oscillation.
B,Wave shape changes usually occur in zones near the coast rather than in open water.
C,Most waves approach the coast parallel to the coast.
D,Barrier reef is the most advanced stage of tropical reef formation.