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12 August, 23:20

A chunk of dry ice, solid CO2, "disappears" after sitting at room temperature for a while. There is no puddle of liquid. What happened?

a-The solid CO2 sublimed.

b-The solid CO2 melted.

c-The solid CO2 underwent deposition.

d-The solid CO2 underwent fusion.

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  1. 12 August, 23:29
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    I believe the answer is A.
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