Below is a dot plot of the ages of the residents of Cypress Village Retirement
Community.
68 72 76 80 84 88 92 96 100 104 108

Which continents lie only in the northern hemisphere

5. what is a red giant? can our sun become a red giant? why or why not?

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.