A region where air is descending is

• high pressure

• low pressure

As air rises, wind flows _____________________ around the low pressure center.

• clockwise

• counter clockwise

What are short-term variations in atmospheric phenomena that interact and affect the environment and life on Earth?

• Weather

• Climate

• Air Mass

• Source Region

What are the long-term average of variations in weather for a particular area?

• Weather

• Climate

• Air Mass

• Source Region

What is the narrow band of fast, high-altitude, westerly wind that is caused by the large temperature difference in upper-level air and the Coriolis Effect?

• Jet Stream

• Polar Easterlies

• Prevailing Westerlies

• Trade Winds

High-pressure systems usually are associated with _____.

• Fair weather

• Clouds

• Precipitation

Low-pressure systems usually are associated with _____.

• Fair weather

• Clouds

• Precipitation

Sinking air, caused by the trade winds, creates weak surface winds and is responsible for which landmark on Earth?

• Deserts

• Rainforests

• Mountains

• Valleys

Which wind system is depicted at labels 1 and 9?

• Polar Easterlies

• Prevailing Westerlies

• Trade Winds

• Horse Latitudes

• Intertropical Convergence Zone (ITCZ)

Which wind system is depicted at labels 4 and 6?

• Polar Easterlies

• Prevailing Westerlies

• Trade Winds

• Horse Latitudes

• Intertropical Convergence Zone (ITCZ)