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When you open the door to your house on a cold day, you feel a cold draft. What causes this?

User Coudy
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1 Answer

5 votes

Answer:

Inside it's usually warm so when you open a door to outside which is cold a cold front and a warm front will be exposed to each other cold will win usually since cold goes below the warm front.

Step-by-step explanation:

User MaltMaster
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