Answer:Air pollution is caused by strong and fluid particles and certain gasses that are suspended within the discuss. These particles and gasses can come from car and truck deplete, industrial facilities, tidy, dust, form spores, volcanoes and fierce blazes. The strong and fluid particles suspended in our discuss are called mist concentrates.
C, but B is okay too. You should be able to express why you did what you did and also evaluate on the feedback so you can compromise and decide what you want to do.
