Free help with homework

Why join Brainly?

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


In terms of their economic contribution to the country, the important metallic minerals include goldcopperironchromitenickelmanganesecobalt, lead, zinc, molybdenum, mercury, and aluminum; while coal, phosphate rock, magnetite, sulfur, guano, baritebentonite, clay, diatomite, feldspar, gypsum, perlite,
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