Environment powerposters 8ºC
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8ºC
Transcript of Environment powerposters 8ºC
8ºC
Pollution
Air pollution is the introduction of chemicals, particulate matter, or biological materials
Pollution means dirt, degradation, contamination and disease
Air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.
André Manuel Nº4 8ºCJoana Varela Nº16 8ºC
Pedro Santos Nº218ºC