Which is the lowest layer of the Earth’s atmosphere?

Most of the weather phenomena like clouds and rainfall occur in which layer?

The ozone layer is found in which atmospheric layer?

Which layer is known as the coldest layer of the atmosphere?

The boundary between the troposphere and stratosphere is called:

The exosphere primarily contains which gases?

Which layer lies immediately above the stratosphere?

The temperature increases with height in which of the following layers?

The total thickness of the atmosphere is approximately:

Which layer is most important for radio communication?