Air Masses and Weather

Which of the following best describes how air masses interact to form a cold front?

• A warm air mass moves over a cold air mass, causing the warm air to rise.

• A cold air mass moves under a warm air mass, forcing the warm air to rise.

• Two cold air masses meet and push each other upward.

• A warm air mass moves under a cold air mass, causing the cold air to rise.

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What is the primary cause of wind?

• The rotation of the Earth.

• The gravitational pull of the moon.

• Differences in air pressure.

• The presence of mountains and valleys.

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How does the unequal heating of the Earth's surface affect atmospheric circulation?

• It causes the Earth to rotate faster.

• It creates high and low pressure systems that drive wind patterns.

• It results in the formation of ocean currents.

• It leads to the melting of polar ice caps.

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Which of the following is a characteristic of a high-pressure system?

• Cloudy skies and precipitation.

• Clear skies and calm weather.

• Strong winds and thunderstorms.

• Rapid temperature changes.

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What role does the Coriolis effect play in atmospheric circulation?

• It causes air masses to move in a straight line.

• It deflects the path of winds due to Earth's rotation.

• It increases the speed of ocean currents.

• It reduces the impact of gravity on air masses.

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Which of the following best explains why coastal areas tend to have milder climates than inland areas?

• The influence of ocean currents that moderate temperatures.

• The increased sunlight received by coastal regions.

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What happens to air pressure as altitude increases?

• It increases.

• It decreases.

• It remains constant.

• It fluctuates randomly.

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How do ocean currents affect regional climates?

• They have no significant impact on climate.

• They transport warm and cold water, influencing temperature and precipitation.

• They only affect the climate of polar regions.

• They cause earthquakes and volcanic eruptions.

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Which of the following best describes a warm front?

• A boundary where a warm air mass overtakes a cold air mass.

• A boundary where a cold air mass overtakes a warm air mass.

• A boundary where two cold air masses meet.

• A boundary where two warm air masses meet.

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What is the main factor that determines the direction of ocean currents?

• The salinity of the water.

• The temperature of the water.

• The wind patterns and Earth's rotation.

• The depth of the ocean.

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