Air Pressure and Air Masses

What primarily influences various meteorological phenomena like snow, rain, and wind?

• Ocean currents

• Air pressure

• Earth's rotation

• Solar flares

What is a large body of air with uniform temperature and humidity throughout called?

• A weather front

• An atmospheric layer

• An air mass

• A pressure system

Air masses that form over continents are generally characterized by what?

• High humidity

• Low temperature

• Dryness

• High pressure

Which air mass typically brings hot and humid conditions, causing the rainy season and hot summers in Korea?

• The Siberian Express

• The Okhotsk High

• The Northern Pacific High

• The Yangtze River Air Mass

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What type of clouds and precipitation are typically associated with a warm front in a temperate low-pressure zone?

• Stratus clouds and light sprinkles of rain

• Cumulus clouds and heavy showers

• Cirrus clouds and no precipitation

• Nimbus clouds and thunderstorms

What is the minimum wind speed required for a tropical depression to be classified as a typhoon?

• 10 meters per second

• 17 meters per second

• 25 meters per second

• 30 meters per second