Which of the following is called the safety valve of nature?

Which line is found on both sides of the line?

Cloud roaring occurs in which layer of the atmosphere?

Where is the Loess Plateau located?

Which gas is found most in the atmosphere?

Which is the highest inert gas present in the atmosphere?

From which surface of the Earth do long radio waves reflect?

By what name is the atmospheric layer farthest from the Earth's surface?