The diagram shows a bucket of ice which is hanging from the ceiling of a room as a makeshift air-conditioner. This is a cheaper, less effective means of cooling the room.
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The ice cools the air next to it. What happens to the cold air and why?
| What happens | Explanation |
A | the cold air rises | it is less dense than the warmer air in the room |
B | the cold air rises | it is more dense than the warmer air in the room |
C | the cold air falls | it is less dense than the warmer air in the room |
D | the cold air falls | it is more dense than the warmer air in the room |
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