Types of Air Pollution

Types of Air Pollution

The two types of air pollutants are primary, which are emitted from a source, and secondary, which are altered by exposure to sunlight.

CK-12 (Middle School)

ESSENTIAL QUESTION:

What are the sources of primary and secondary pollutants and how do they contribute to air pollution?
STANDARDS:
RST.1 - Analysis & Evidence, RST.2 - Main Ideas

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2,3
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