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MissPhiladelphia

For the answer to the question above, it is multiple choice letter a. Cold, dry air.
You must know that the pressure changes and the patterns of circulation of the upper air.

I hope my answer helped you. have a nice day!

Answer;

A. cold, dry air

Increasing air pressure indicates that cold, dry air is moving into your area.

Explanation;

  • Cold temperatures can create areas of increased air pressure because cold air has a higher density and the concentration of molecules can cause an increase in air pressure.
  • The change in pressure is caused by the air density which is related to temperature. Warm air is less dense than cold air since the gas molecules in warm air travel faster and are farther apart. Therefore, and are with high pressure has a dense air mass where the temperature is cool.

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