The biggest source of energy and heat is: April 2, 2021 / By Preparation Point / MODEL PAPER 90: FIELD ASSISTANT ISTAT.) /CROP REPORTER in the Agriculture Department (BS-11) – 2018 Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedInA) Sun ✓ B) Generator C) Thermal power D) None of these Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn