Ch 171/2 Question Preview (ID: 1685)


Atmosphere.

What is the most abundant gas in the atmosphere
a) oxygen
b) nitrogen
c) carbon dioxide
d) hydrogen

The form of oxygen that combines three oxygen atoms in each molecule
a) ozone
b) chloroflourocarbon
c) argon
d) thermopause

What is the lowest layer of the atmosphere
a) thermosphere
b) stratosphere
c) troposphere
d) mesosphere

When does the summer solstice occur in the Northern Hemisphere?
a) March 21
b) September 21
c) December 21
d) June 21

All matter is composed of atoms or molecules that have energy of motion, also know as
a) kinetic energy
b) potential energy
c) radiation
d) solar energy

Which electromagnetic waves have the longest wavelengths
a) infared
b) radio
c) gamma
d) ultraviolet

Which process involves mass movement within a substance
a) conduction
b) radiation
c) convection
d) reflection

Earth receives energy from the sun through what method of heat transfer?
a) radiation
b) convection
c) conduction
d) none of the answers are correct

On average, how much of the suns energy is absorbed by Earths atmosphere and clouds, without reacing Earths surface
a) 30%
b) 20%
c) 40%
d) 50%

The two most important heat absorbing gases in the lower atmosphere are
a) oxygen and nitrogen
b) ozone and chlorofluorcarbon
c) water vapor and carbon dioxide
d) argon and hydrogen

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