Any potentially harmful substance that humans add to an ecosystem
Responses
A is a pollutant.is a pollutant.
B might cause acid rain.might cause acid rain.
C is always a carcinogen.is always a carcinogen.
D is an inorganic substance.is an inorganic substance.
E helps deplete the ozone layer.helps deplete the ozone layer.
1 answer
A is a pollutant.
5 answers