Acid deposition is properly defined as the ____ deposition of ____ pollutants onto Earth's surface.

Question

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Acid deposition is the deposition of both wet (in the form of rain, snow or fog) and dry (in the form of gases, particles or dust) secondary pollutants (such as sulfur dioxide and nitrogen oxides) onto Earth's surface. Primary pollutants are those that are emitted directly into the atmosphere, while secondary pollutants are formed through chemical reactions in the atmosphere. Acid deposition is primarily caused by human activities such as burning fossil fuels, and can have harmful effects on ecosystems and human health.

Acid Deposition Is Properly Defined as the ____ Deposition of ____

Acid Deposition Is Properly Defined as the Deposition of