ocr: There is little danger of North America running out of water. But there is a danger SAME that we will run short of pure water. You can help prevent this by using only ME! as much water as you need. If you study how you use water now, you will be able to find ways to use less. Activity E Water you use yourself Study the two charts below. Then keep this sheet with you for a day. Mark it each time you use water. You can use the back of this paper to do your figuring. Remember this is an estimate, not an exact measure of how much water you use. There- fore you can use the average amount given in t ...
