In addition to surface tention, whats responsible for driving ocean waves
a. thermohaline
b. drag from wing
c. centrifugal force
d. the coriolis effect

How many countries have portuguese as a national language?

Where would you be most likely to find a freshet?

Which example gives the relative location of a place? 50 main street 33 degrees n latitude, 91degrees w longitude east of the library 1600 pennsylvania ave., washington, d.c.