1. where is the origin of the major deep oceanic currents?
a) the pacific ocean; b) the atlantic ocean; c) the circumpolar sea; d) the indian ocean;
e) the mediterranean sea

2. waves are refracted by the topography of coastlines. which of the following is (are) possible:
a) longshore currents; b) rip currents; c) decrease of wave energy in bays;
d) increase in wave energy along points; e) any of these are possible

3. during the full moon and new moon periods:
a) the sun, moon and earth form a right angle and you get spring tides;
b) the sun, moon and earth form a right angle and you get neap tides;
c) the sun, moon and earth are in alignment and you get spring tides;
d) the sun, moon and earth are in alignment and you get neap tides;
e) the sun the earth and moon are in the seventh house and you get the age of aquarius

4. a group (population) of interbreeding organisms that has the potential to produce fertile offspring, and is reproductively isolated from other groups (populations), is called:
a) a biological community; b) an ecosystem; c) a niche; d) a trophic level; e) a species

5. major oceanic surface gyres are:
a) caused by global winds; b) large circular system of ocean surface currents;
c) affected by the coriolis effect; d) all of these; e) none of these

6. today we have a full moon with a specific type of tide. what kind of tide will we have approximately two weeks from today?
a) semi-diurnal tide; b) spring tide; c) neap tide; d) lunar tide; e) mixed tide

7. what is a tsunami? why do most of these occur in the pacific? (open question.)