Free help with homework

Why join Brainly?

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


You can keep led lights you can also use cocacola and if you shake it it flows out you can keep some water pattern near it so that you can indicate cocacola as the waste coming out of the factory and releasing into the water. I hope it will be useful to you....
1 1 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