Which of these best describes the relationship between smoke from factories and acid rain?
A
Smoke travels directly into clouds, creating acid rain.
B
Smoke turns clouds black, which causes them to become more acidic and release
black acid rain.
с
Smoke increases greenhouse gases, which make the water in clouds more acidic
so they release acid rain.
D
Smoke wipes out all the greenhouse gases in the atmosphere, increasing the
acidity of clouds so they create acid rain.