Which of the following is not the source of Alternate Energy? March 31, 2021 / By Preparation Point / Combined Competitive Examination Paper 2008 Mcqs SPSC Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn Solar Energy Nuclear Energy Thermal Energy Bio-Gas Energy Thermal energy is produced when a rise in temperature causes atoms and molecules to move faster and collide with each other. Share this:TwitterFacebookMoreTelegramWhatsAppLike this:Like Loading... Related Share on WhatsApp Share on Facebook Share on Twitter Share on LinkedIn