E0: Pollution Introduction

Pregunta	Respuesta
Pollutant	Substance that has a harmful effect on the environment and is present at concentrations greater than its natural levels as a result of human activity.
Primary Pollutant	A pollution that is directly released into the atmosphere (or other parts of the environment.) Example: CO, SO2, NO
Secondary Pollutant	A primary pollutant that undergoes a chemical change in the atmosphere. Example: HNO3, H2SO4, NO2, SO3
Natural Sources of Pollutants	Sources that include normal activities in an ecosystem. Example: Decomposition, Volcanic Activity,
Anthropogenic Sources	Sources of pollutants that are the result of human activities. Example: Combustion of Fossil Fuels

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