Download Duolingo For Free, it is world's most popular free language learning app: https://app.adjust.net.in/wzntg0e ______________________________________ A sinkhole is a depression in the ground that has no natural external surface drainage. Basically, this means that when it rains, all of the water stays inside the sinkhole and typically drains into the subsurface. ---------------------------------------------------------------------- Instagram- https://www.instagram.com/amritpal_singh_bwt/?hl=en Facebook- https://www.facebook.com/Bakchodiwalatech/ Blog- http://bakchodiwalatech.blogspot.in/ Twitter- https://twitter.com/BCwalaTech Email- ammymalhi63@gmail.com ------------------------------------------------------------------------- Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, and research. Fair use is a use permitted by copyright statutes that might otherwise be infringing. Non-profit, educational or personal use tips the balance in favor of fair use.786 #sinkholes #chilesinkhole #melshole