Atmosphere Review Quick Review

A layer of gas that surrounds Earth is called the ___________ atmosphere

What element is the most abundant gas in the atmosphere? Nitrogen

What holds the gases of the atmosphere near Earth’s surface? gravity

Air molecules are compressed together and exert force on Earth’s surface__________. Air pressure

What layer of the atmosphere does all weather occur? troposphere

What happens to atmospheric pressure as altitude increases? decreases

What layer of the atmosphere contains the ozone layer? stratosphere

What is the name of the instrument that meteorologist use to measure atmospheric pressure? barometer

What layer of Earth’s atmosphere blends into space? exosphere

What is the main source of air pollution? Burning fossil fuels such as coal