Answer each of these questions. Be sure to refer to any outside links given.
To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.
Have you ever tried to color in countries or states on a map with a few colors, only to end up coloring two adjacent countries the same color because you ran out of colors? Believe it or not, this is a complex mathematical question. Can you come up with a solution? If not, you can read about some solutions at Science News On-line.