Exam 20: Atmospheric Effects

Lightning between a cloud and the surrounding air is called

The boundary between two air masses is called a

A common fuel impurity in fossil fuels is

When a cold front advances under a warm front,this results in a(n)

When two advancing fronts meet,a typical result is

Hurricanes derive their energy from

The greatest cause of hurricane deaths is

An air mass derives its characteristics from its

Changes in Earth's thermal balance by decreasing the transparency of the atmosphere to insolation can result from ______________ pollution.

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

A tornado ______________ is issued when a tornado has been sighted or indicated on radar.

Atmospheric sulfur pollution gives rise to

The type of smog that forms in Los Angeles is called ______________ smog.

When at home during a tornado warning,you should seek shelter in the ______________ of the building.

When the dew point is below 0°C,which of the following is likely to form?

The northern Atlantic Ocean is the source region for the ______________ type of air mass.

A hurricane,in other parts of the world,is also known as

A tornado ______________ is issued when a tornado has been sighted or indicated on radar.

The major source of NOx pollution is

The low-pressure center of a hurricane is called the