1. Jimmy Hendricks actually did use water even though he drank fruit juice. Because water was used in the process of making the juice/fruit as well as the can, scientifically speaking, he used more water by drinking the fruit juice instead of just regular tap water.
2. a. Watering the wheat
b. Using water to make the dough
c. Cleaning up after making the bread
8. The world's water has changed in the past 100 years and most definitely changed over the past million years. With the addition of cars and other objects polluting the air and water, water all around the world has become more diluted in the gases between put into the air.
9. a. Oceans
b. Glaciers
c. Water Vapor
d. Rivers
10. This saying could apply to places like deserts. Although about 70% of the world is covered by water, when you are in the desert, there may not be a "drop to drink" for many, many miles or at all.
11. 77% of water is used in irrigation and agriculture in the west.
12. a. 2.11%
b. 0.009%
13. It could be possible that I drank the same molecule of water as a dinosaur did millions of years ago because when their bodies decayed, the water inside them went through the water cycle, came back to Earth, ended up in my sink and I just happened to drink that same molecule of water.
17. The two averages could both be correct because the amount of water used by each person varies on that person. If one person must bath 10 children, they are going to use more water than someone who is going to only bathe one child. The use of water also depends on what they make for food, drinking, their personal hygiene, and other daily uses of water.
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