What protects us from the Sun?

The Earth's atmosphere is composed of how many layers?

We breathe and obtain oxygen in this layer.

Aurora occrus in this layer.

It is the most abundant gas in the atmosphere.

What holds the Earth's atmosphere?

It is the study of the entire atmosphere including the weather.

Who is in the aviation industry?

An instrument used to measure humidity.

The following are examples of precipitation except;

Layers of the Earth's atmosphere from top to bottom.

Airplanes can fly smoothly in the stratosphere

Oxygen is approximately ........ in the air.

What do we experiene in the troposphere?