What is the warmest sea in the world? ?
black sea
baltic sea
red sea

You could say the relative location of washington, d.c.

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.

What are the answers for the following questions?