Weather

Warm air causes air pressure to _______.

• sink

• rise

• go sideways

• explode

Continental air masses are

• dry air masses that form over land surfaces.

• moist air masses that form over oceans.

Maritime air masses are

• dry air masses that form over land surfaces.

• moist air masses that form over oceans.

Polar air masses can be described as

• cold air masses that form at the equator.

• lukewarm air masses that form in tropical or subtropical regions.

• cold air masses that form in polar regions.

• warm air masses that form in tropical or subtropical regions.

Tropical air masses can be described as

• cold air masses that form at the equator.

• lukewarm air masses that form in tropical or subtropical regions.

• cold air masses that form in polar regions.

• warm air masses that form in tropical or subtropical regions.

Jet streams are

• slow flowing, wide, meandering air currents in the atmospheres.

• fast flowing, narrow, meandering air currents in the atmospheres.

• the only areas in the sky a jet can fly.

Jet streams blow from

• south to north.

• east to west.

• north to south.

• west to east.

Define cold front

• cold front and warm front remaining still

• warm air replacing cooler air

• cold air replacing warm air

• two fast moving cold fronts cut off a slower moving warm front from the ground

Define warm front

• cold front and warm front remaining still

• cold air replacing warm air

• warm air replacing cooler air

• two fast moving cold fronts cut off a slower moving warm front from the ground

Define stationary front

• cold front and warm front remaining still

• cold air replacing warm air

• warm air replacing cooler air

• two fast moving cold fronts cut off a slower moving warm front from the ground