Question

If there is no air on the earth , the average temperature of earth's would have been--------
1 more
2 very low
3 Constant
4 all the above​

Answer 1

Answer:

very low.................

Answer 2

2 very low is the correct answer.

• In absence of air on Earth, the temperature would fall in negative.
• This is because, the greenhouse gases present on Earth act as thermal blanket of the planet.
• They do so by trapping the radiation and hence heat on the planet, maintaining its temperature.
• The greenhouse gases are carbon dioxide, water vapour and methane.