Question

One positive impact that industrialization has
had is that
(1) industrialization produces waste gases that
pollute the air
(2) fossil fuels used by industries help reduce
finite resources
(3) industrialization has been a source of many
jobs for people
(4) new technologies have increased acid rain

Answer 1

3, definitely. The other answers are all harmful to the environment or flat-out wrong. At least it gets the economy going and lets more people make a living... even if it's hurting the ozone.