Free help with homework

Why join Brainly?

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


The entrance of waste materials or effluents into the environment is known as pollution. This pollution is very harmful for the surrounding environment. there r 4 types of pollution : air pollution, water pollution, soil pollution, sound pollution. The increasing order of industries and factories r the main purpose for this great problem.

0 0 0
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