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)
What are the sources of primary and secondary pollutants and how do they contribute to air pollution?
RST.1 - Analysis & Evidence, RST.2 - Main Ideas
DEPTH OF KNOWLEDGE (DOK) LEVELS:
2,3Read this assignment in Actively Learn