4. Evaporation is the process of water molecules escapes from the surface of lakes, oceans, rivers or tanks and getting into the atmosphere.
5. A fog is a mass of moist air falling to the earth.
6. Dew is different from frost in that the former takes place on the cool blades.
7. Rain forms when clouds become thick and moist enough.
8. The maximum amount of vapor in the air is known as______.
9. Water droplets in the air are too small and light to be affected by______and therefore
they are afloat miles above the earth.
10. A cloud is identical to a fog in______.
答案: 1. NG 2. Y 3. Y 4. Y 5. N 6. N 7. N 8. moisture saturation 9. gravity 10. composition
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