Piles of aluminum cans floating at sea would be an example of _______.
a. organic pollutants
b. macroscopic pollution
c. pathogen pollutants
d. thermal pollution

Respuesta :

Organic would be living material, so no....
Pathogens would be bacteria and fungi, so no...
thermal would be heat, so no...
must be macroscopic
  the  answer  is  B.) macroscopic pollution