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?
(Which is the option is correct given below)
-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
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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.
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