286,555 views
8 votes
8 votes
What activity is the main cause of smog?

O CFC use in spray cans
O fossil fuel use in automobiles
O release of ozone by factories
O pesticide use on farms

User Quoter
by
2.9k points

2 Answers

14 votes
14 votes

Answer:fossil fuel use in automobiles

Step-by-step explanation:

User Jerzy Pawlikowski
by
2.9k points
14 votes
14 votes
Answer:
uso de combustible en automoviles
Explanation: es el contaminando en forma de smog que mas abunda ahora mismo


User Bob Brunius
by
3.3k points