Question

Please help!!!!!!!

Answer 1

What causes ocean surface currents?
A. gravitational attraction

B. friction between the ocean and wind on its surface

C. ocean movements associated with earthquakes

D. changes in water density

What is the importance of upwelling?
A. It brings warm water from the tropics to the poles.

B. It decreases winds along exposed coastlines.

C. It helps warm the North Atlantic gyre.

D. It brings dissolved nutrients to the ocean’s surface.


Longshore currents move sediment as they
A. move parallel to the shore.

B. run along the ocean bottom.

C. pound against coastal headlands.

D. flow in circular patterns in ocean basins.


Where do baymouth bars form across bays?
A. where there is no longshore current nearby

B. where strong currents move in and out daily

C. where sea stacks stand on both sides of the entrance

D. where currents are weak


What is a structure built parallel to the shore that shields the coast from breaking waves?
A. groin

B. seawall

C. wave barrier

D. tombolo


Because of convection, the warmest air in a room
A. spreads out in all directions.

B. rises toward the ceiling.

C. transfers heat to the walls.

D. sinks toward the floor.


The blue color of the sky is the result of
A. conduction.

B. scattering.

C. reflection.

D. absorption.


Which of the following is NOT a factor that controls temperature?
A. longitude

B. cloud cover

C. cloud cover

D. altitude


Vancouver, British Columbia, enjoys a moderate year-round climate, which is due to
A. the many mountain ranges surrounding the city.

B. its latitude.

C. its relatively high elevation.

D. its close proximity to the Pacific Ocean.

Answer 2

Holey-moley, there are a few questions there. Which ones in particular are you having trouble with?