Free help with homework

Why join Brainly?

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


Because Petroleum is a possil fuel and fossil fuels are getting finished in this planet Earth
0 0 0
Because petroleum is a crude oil and crude oil when extracted from ground is black in color. It is called gold because it makes a lot of money when sold.
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