What is Balck hole? April 14, 2021 / By Preparation Point / Tehsildar PPSC Past Papers Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) Hypothetical region of space ✓ B) Hole in California C) Sinkhole in the lake D) Region between mental and crest of earth Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn