QQuestionEarth Science
QuestionEarth Science
Why do clouds and precipitation contain freshwater even though much of the water vapor comes from oceans and seas?
A. The atmosphere filters out the salt as precipitation is created.
B. Most of the water doesn't come from the ocean; it comes from freshwater sources.
C. Precipitation does contain 72% saltwater.
D. When water evaporates from the ocean, the salt is too dense to evaporate.
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Answer
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Step 1Let's solve this step by step:
Step 2: Understanding Water Evaporation
When water evaporates from the ocean, only the water molecules ($$\mathrm{H}_2\mathrm{O}$$) transform into water vapor, leaving behind the dissolved salt.
Salt molecules are too large and heavy to become airborne during the evaporation process.
Final Answer
The atmosphere filters out the salt as precipitation is created.
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