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3 votes
Blank is the up and down movement of blank or blank caused by heat transfer.

2 Answers

3 votes
#1 Convection current #2 Liquids #3 Gasses
User Elmalto
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6 votes

Answer:

Blank #1 Convection Current, Blank #2 Liquids, Blank #3 Gasses

Step-by-step explanation:

User FLICKER
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