Outdoor Air Pollution

Outdoor Air Pollution

Air pollution is caused by chemical substances and particles released into the air, mainly by human activities. The major cause of outdoor air pollution is the burning of fossil fuels. Problems caused by the burning of fossil fuels include acid rain and global warming.

CK-12 (Middle School)

ESSENTIAL QUESTION:

STANDARDS:
RST.1 - Analysis & Evidence, RST.2 - Main Ideas

DEPTH OF KNOWLEDGE (DOK) LEVELS:

2,1
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