What is the basic cause of ocean tides?
a. gravitational force of volcanic activity
b. gravitational attraction between the moon and the entire solar system
c. gravitational attraction between earth, the moon, and the sun
d. gravitational force of atmospheric pressure

At which point on the diagram do convection currents occur to drive plate movement?

What must happen for new french words to be published in official dictionaries? a. they must be approved by the french academy b. they must be voted on by the people of france c. they must be used by famous french writers d. they must be used by philosophers a. they must be approved by the french academy

The body paragraphs in an informative essay should include clear examples. a thesis statement. restated evidence. a clear direction.