A glass of salt water is put on a windowsill. After several days the water has disappeared, and there is only a film of white crystals left in the bottom. Which best explains what has happened?
The salt caused the water to dry up.
The water evaporated and left the salt behind.
The water and the salt evaporated and left a film behind
There is no explanation. Magic
Answers
Answered by
3
Answer:
the water evaporated and left the water behind
Explanation:
due to sunlight water gets heat up and evaporate and salt left behind as a residue ....this process is also used when we have to separate salt from water...
Answered by
1
Answer:
the water evaporated and left the water behind
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