Question

The purpose of ventilation is ___________________.
i. to give ample light
ii. to circulate the fresh air
iii. to bring in ample light and air
iv. none of these

Answer 1

Answer:

b

Explanation:

to circulate the fresh air plz mark Mr the brainliest

Answer 2

Answer:

The purpose of ventilation is to bring in an ample amount of light and air.

Option 3

Explanation:

The air is warmed due to heating and human breath is also warm. This air being lighter rises up. This moves out through the window. At the same time, cold air rushes from the window to take its place.

So, the ventilation helps in air circulation. Through the ventilator, sunlight comes in and gives lighting to the room also it gives some heat to the person in that room. Hence, it gives lighting.