Fill in the blanks
1)Ventilators _____ _____ to cool a room.
2)In a thermos flask, the silvering of walls prevents loss of heat by ____ .
Answers
Answered by
4
Answer:
1)ventilators remove hot air and bring fresh cool air.
2) radiation .
hope it helps you
Answered by
2
Answer:
1) Ventilators remove hot air and bring cool fresh air.
2) radiation
Explanation:
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