When wood is used as fuel in chulhahs, gaps are left in between the logs of wood. This is done for _________.
less consumption of wood
to control temperature
None of the above
movement of air
A
to control temperature
B
None of the above
C
movement of air
D
less consumption of wood
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Solution
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The gaps are left in between the logs of wood because the gaps allow air (supporter of combustion) to freely come in contact with wood and hence combustion continues.
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