layers-atmosphere

The aurora borealis and aurora australis (northern and southern lights) are cause by the interaction between charged particles and Earth;s magnetic field. Which layer of Earth's atmosphere contains these particles? A. Troposphere B. Stratosphere C. Ionosphere D. Mesosphere

C. Ionosphere

Which of the following is not a variable component of the atmosphere? A) water vapor B) Ozone C) Aerosols D)Argon.

D) argon

On average, for every 1 km increase in altitude in the troposphere the air temperature:

Drops 6.5 * C

Of the following atmospheric layers, which is the most effective at shielding Earths surface from harmful ultraviolet radiation?

Stratosphere

The highest temperatures are typically found in which of the following atmospheric layers? A.Troposphere B. Stratosphere C. Mesosphere D. Thermosphere

Thermosphere

Permanent gases?

They are found every where in nearly *CONSTANT PROPORTION* Include:Nitrogen . Oxygen and Argon

Variable gases

They are those whos distribution in the atmosphere is *uneven in both time and space* Include: Water vapor, carbon dioxide, ozone and methane .

Identify the four atmospheric layers (lowest to highest) that are distinguished by their temperature profiles.

Troposphere,Stratosphere, Mesosphere, Thermosphere

What were the predominate gases in the earths earliest atmosphere?

Hydrogen and Helium

What is the role of ozone in the troposphere?

It is a pollutant , affecting vegetation and respiration.

Which three gases constitute most of the atmosphere near Earths Surface?

Nitrogen Oxygen and Argon?

Which of the following processes removes carbon dioxide from the atmosphere? A. Photosynthesis B.Respiration C.Volcanic Outgassing D.Biomass Burning

Photosynthesis