Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


Factories, burning fossil fuel,  smoking cigarettes and car smoke....
1 5 1
Car exhaust
Factory smoke emission
Human made chemical vapor
Smoke from burning (anything)

--These are all air pollutants because all of this negatively affect the condition of air in a certain area-- 

1 3 1
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts