Give reasons why?
a)Ventilators are placed near the ceiling .
b)Birds puff-up their feathers in winter.
c)Aluminium and iron metals are used for making cooking vessels.
d) Blocks of ice are usually covered with cloth or jute while storing.
e)Birds glide upwards without flapping their wings .
Answers
Answered by
0
Answer:
C metals are good in conducting heat, it can transfer heat very quickly and evenly. Generally, copper, aluminum metals are used for cooking vessels as they are very good conductors of heat. Due to this reason's metals are used in cooking vessels.
Answered by
2
Answer:
so that the hot air which we breath out rises up and goes out of the ventilator while the cold air from the fan being heavier come
Similar questions