A cold, dry air mass collides with a warm, humid air mass over flat land. The warm air is forced upward, causing a powerful updraft. As the air rises, it cools and condenses, creating a powerful downdraft. What type of weather event is forming?

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2 points
hurricane
flood
thunderstorm
tsunami

thunderstorm

An area of high pressure will most likely result in which type of weather?

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2 points
stormy weather
snowy weather
clear weather
cloudy weather

clear weather

What do weather fronts separate?

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2 points
Captionless Image
air masses of different altitudes
air masses of different densities
the troposphere and mesosphere
the troposphere and stratosphere

air masses of different densities

What is a large body of air that is horizontally uniform in characteristics such as temperature and humidity?

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2 points
hurricane
air mass
weather front
tornado

air mass

Which of the following happens as air cools?

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2 points
Density increases and pressure decreases.
Density decreases and pressure decreases.
Density increases and pressure increases.
Density decreases and pressure increases.

Density increases and pressure increases.