Question

holes are made in hanging banners and hoarding give reasons​

Answer 1

Answer:

Holes in the banners and hoardings help air to pass through it. Hence, banner can withstand the pressure of the air and remains intact.

Hope it helps :)

Answer 2

Explanation:

Since air exert pressure wind moving at a high speed may break or displace things. If holes are made in hanging banner and hoarding ,then air can pass through these holes . This will reduce pressure exert by air on the banner. And prevent it from getting tore