Weather & Climate Intro

In the troposphere as altitude increases as the air pressure

• increases
• decreases
• alternates
• stays the same

What two gases make up 99% of the Earth's atmosphere? 

• carbon dioxide & oxygen
• nitrogen & carbon dioxide
• nitrogen & water vapor
• nitrogen & oxygen

Layer of the atmosphere in which weather occurs

• thermosphere
• mesosphere
• stratosphere
• troposphere

Region of the Earth's atmosphere that absorbs harmful, ultraviolet light from the Sun?

• ionosphere
• exosphere
• ozone layer
• carbon layer

Layer of the Earth's atmosphere that contains the ozone layer?

• thermosphere
• mesosphere
• stratosphere
• troposphere

What creates air pressure in the Earth's atmosphere?

• force of gravity
• rotation of the Earth
• magnetic field of the Earth
• clouds in the troposphere

Warm air

• rises
• sinks
• generally does not move

Cool air

• rises
• sinks
• generally does not move

Cool air creates what type of pressure?

• low pressure
• medium pressure
• high pressure

Warm air creates what type of pressure?

• low pressure
• medium pressure
• high pressure