Air at sea level is denser than air at high altitudes because...
air molecules are pushed closer together at sea level
300
The northeast trade winds are responsible for most of the local weather in _________________.
North Carolina
300
What is produced when a cold front collides with a warm front?
thunderstorms
300
Which cloud type is made of ice crystals?
cirrus
400
Air pollution can...
harm humans, plants and other living things
400
Winds move from areas of ________ pressure towards areas of ________ pressure.
high to low
400
If the land temperature near the beach is rising more rapidly, a low pressure air mass is forming over the ______, while a high pressure air mass is forming over the _______.
land, ocean
400
The passing of high and low pressure systems are indicated by changes in...
air pressure
400
Knowing how the atmosphere heats and cools, how clouds form and produce rain, and what makes the wind blow are all important for a meteorologist to...
predict the weather of an area
500
The warmth you feel sitting near a fire is an example of heat transfer by...
radiation
500
What causes winds to curve right north of the equator?
Coriolis effect
500
What are characteristics of an air mass formed over a tropical ocean?
hot and humid
500
Where do climate conditions cause hurricanes to become larger and more powerful?
over warm water
500
Forest fires, chlorofluorocarbons, and volcanic eruptions can cause