কালো সোনা কি ? কালো সোনা কি ?

0 votes

2 views

asked Mar 2 by admin (26.8k points)

Your answer

Your name to display (optional):

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

0 votes

answered Mar 2 by admin (26.8k points)

কালো সোনা হল কালো রঙ্গের বালুর মতো মূল্যবান খনিজ পদার্থ ।

Your name to display (optional):

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.