Which statement is true about the qualifications for senators? a. senators must be residents of the states they represent. b. senators must have been u. s. citizens for five years. c. senators must have college degrees from their states. d. senators must be residents of the districts they represent.

Why the moon is not visible from earth during the new moon ?

Which is a result of the emission from the use of fossil fuel

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.