......................... is the height above sea level.

It is the thickest layer of the Earth's atmosphere at about 80-700km.

What instrument is used to measure altitude?

As altitude decreases,

As altitude increases, 

What holds the Earth's atmosphere?

What is produced as cool air moves from a high pressure area to a low pressure area?

An instrument used to measure air pressure is called?

This comes from the Arabic word "mausim".

Monsoon means, 

Monsoon is associated with what ocean?

This is the type of monsoon where wind blows from LAND TO SEA.

Northeast monsoon start and ends in what month?

The tropic of cancer is located

Tropical storm is formed in this area.

What do we call when a storm is formed in the Pacific Ocean?

The following are factors of the formation of a tropical cyclone EXCEPT;

Thunder is faster than lightning.

Classify the following:

It changes for a LONG TIME.

From TOP to BOTTOM, arrange the following layers of the Earth's atmosphere.

Match the following: