asked 144k views
1 vote
Que es la contaminacion del aire

asked
User Toyos
by
8.2k points

1 Answer

4 votes
la presencia o introducción en el aire de una sustancia que tiene efectos nocivos o tóxicos.
the presence in or introduction into the air of a substance which has harmful or poisonous effects.

answered
User Erensezener
by
8.1k points

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