Front

What is the most abundant gas in Earth's atmosphere?

Back

Nitrogen

Front

What happens to temperature in the troposphere as altitude increases?

Back

Temperature decreases with altitude.

Front

Which layer of the atmosphere is known for being one of the coldest places on Earth?

Back

Mesosphere.

Front

What is the highest layer of Earth's atmosphere where gas molecules often escape into space?

Back

Exosphere.

Front

What is the primary function of the stratosphere?

Back

The stratosphere contains the ozone layer, which absorbs and scatters ultraviolet solar radiation.

Front

What is the difference between the troposphere and the stratosphere?

Back

The troposphere is the lowest layer where weather occurs, while the stratosphere is above it and contains the ozone layer.

Front

What is the significance of the thermosphere?

Back

The thermosphere is where the auroras occur and is characterized by high temperatures due to solar activity.

Front

What is atmospheric pressure?

Back

Atmospheric pressure is the force exerted by the weight of air above a given point, typically measured in millibars or inches of mercury.

Front

How does altitude affect atmospheric pressure?

Back

Atmospheric pressure decreases with increasing altitude.

Front

What is the role of greenhouse gases in the atmosphere?

Back

Greenhouse gases trap heat in the atmosphere, contributing to the greenhouse effect and global warming.