Exam 20: Atmospheric Effects

An air mass derives its characteristics from its ______________.

Albedo changes may result from ______________ pollution.

Hurricanes derive their energy from ______________.

Which of the following is formed by direct freezing of water droplets?

An air mass forming over the Gulf of Mexico would be classified as ______________.

When air is cooled below its dew point without condensation,it is said to be ______________.

A common fuel impurity in fossil fuels is ______________.

The boundary between two air masses is called a(n)______________.

In the amended Montreal Protocol,many nations agreed to phase out ______________ by the year 2000.

How good or bad (in terms of pollution)the air is,is rated by a color-coded ________ Index.

During the approach of a severe thunderstorm,workers on a project see lightning and then hear the resulting thunder 55 s later.Approximately how far away,in miles,is the storm?

When air is cooled below its dew point without condensation,it is said to be

A natural agent of chemical weathering that is enhanced by CO₂ pollution is

A color-coded ______________ Index is used to indicate how good or bad the air is,in terms of pollution.

For water droplets to form,what must be present?

Conditions opposite to those of El Niño conditions are called ______________.

Hawaii's weather is chiefly affected by what type of air mass?