Pollutants are harmful substances in the air, water, or soil.
Why is the atmosphere so important?
It makes conditions on earth suitable for creatures to live in.
It helps keep water in the oceans.
It prevents earth from being hit by most meteoroids.
What is the most common gas found in the atmosphere?
Oxygen
Nitrogen
Carbon dioxide
Water Vapor
Air has no mass.
What types of instruments are used to measure air pressure?
Aneroid barometers
Mercury barometers
Thermometers
Weather stations
Air pressure decreases as...
Altitude decreases
Altitude increases
The troposphere is where...
Earth's weather occurs.
there are light displays.
most meteoroids are prevented from crashing into Earth.
Infrared radiation is a form of electromagnetic energy.
The greenhouse effect is when gases release heat into the air.
What is one of the most common tools for measuring air temperature?
a thermometer
a barometer
How does a sea breeze work?
Warm air rises from the land and cool air moves underneath it from the sea.
Warm air rises from the sea and cool air moves underneath it from the land.
The major global wind belts are the trade winds, the polar easterlies, and the prevailing westerlies.
What is scattering?
The process that causes global winds.
When dust particles and gases in the air reflect light in all directions.
