Question

Please Answer the following Questions according to class 7th ​

Answer 1

Explanation:

7) Jute sack is the insulator of the heat, it slows down the melting of the ice that is why jute sacks does not melt ice where as wool present in woollen cloth is a poor conductor of heat and it has air trapped in between the fibres.

8) I would choose the white fabric for my tent because this color will attract or trap less heat compared to the black one because of which, I would feel relatively cold inside the tent than outside the tent.