Please help me it’s overdue by a week What is a boundary between two air masses of different density, moisture, or
temperature?

Answer Choices:

O Station model
O Low pressure
O Front
O High pressure

the front

Explanation:

think of storms or rain you look for Sharp temperature changes over a relatively short distance.

Change in moisture content.

Rapid shifts in wind direction.

Pressure changes.

Clouds and precipitation patterns.

and people on the weather channel usually talk about cold or warm fronts

sulfur dioxide

explanation: acid rain is caused by a chemical reaction that begins when compounds like sulfur dioxide and nitrogen oxides are released into the air. these substances can rise very high into the atmosphere, where they mix and react with water, oxygen, and other chemicals to form more acidic pollutants, known as acid rain.

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