narmenta1
narmenta1 narmenta1
  • 02-12-2019
  • Biology
contestada

Air pollution is caused by A. the sun. B. heavy rainfall. C. human activities but not natural events. D. natural events and human activities.

Respuesta :

yeezu
yeezu yeezu
  • 04-12-2019

Answer:

D . natural events and human activity

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