Discuss Forum

1. ইস্পাতে প্রধানত কি কি উপাদান আছে?

  • A. Iron and Copper
  • B. Iron and Copper
  • C. Iron and Copper
  • D. Iron and Copper

Answer: Option B

Explanation:

Post your comments here:

Name:
Mobile:
Email:(Optional)

» Your comments will be displayed only after manual approval.