Unit 3 - Sect. 2 Air Environment

_______ makes up 78% of the Earth's atmosphere.

• Nitrogen

• Oxygen

• Carbon dioxide

• Argon

The _________ is the layer where most weather occurs.

• troposphere

• stratosphere

• mesosphere

• thermosphere

The _______ extends from the tropopause to about 160,000 feet.

• stratosphere

• troposphere

• ozonosphere .

• mesosphere

Temperature in the thermosphere increases with altitude.

• True

• False

What is the primary function of the ozonosphere?

• To control weather patterns

• To protect from ultraviolet and infrared radiation

• To regulate temperature

• To support life.

The Sun heats the Earth through a method known as ________.

• radiation

• conduction

• convection

• evaporation

Warm air rises and impacts weather by creating differences in ________ and ________.

• temperature and pressure

• humidity and wind speed

• cloud cover and precipitation

• sunlight and ozone levels

The Earth's rotational tilt causes the length of the days to vary, leading to ________ changes.

• seasonal

• daily

• hourly

• monthly

What is the doldrums?

• The doldrums is an area of calm near the equator with no steady surface winds.

• The doldrums is a type of storm that occurs in the polar regions.

• The doldrums is a seasonal wind pattern in the Mediterranean.

• The doldrums is a high-pressure system found in desert areas.

What causes the primary movement of air, impacting weather conditions?

• Ocean currents

• Uneven heating of the Earth

• The Earth's magnetic field

• Human activities