https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:nature-s-treasures/v/coal 2025-03-17T04:25:19.828970649Z Coal Ever wondered how a simple black rock changed the world? In this video, we dive into the fascinating journey of coal—from its origins in ancient forests 300 million years ago to becoming one of the most important fuels in history. Shankar Nair video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Coal Ever wondered how a simple black rock changed the world? In this video, we dive into the fascinating journey of coal—from its origins in ancient forests 300 million years ago to becoming one of the most important fuels in history. https://cdn.kastatic.org/ka-youtube-converted/8oI7t3TqHM4.mp4/8oI7t3TqHM4.mp4 314 Coal https://www.khanacademy.org/science/revision-up-science-class-6-full-term/x00110b31861f2508:week-4/x00110b31861f2508:nature-s-treasures/e/coal 2026-04-10T10:30:33.657604274Z Coal Lets answer some questions! Shankar R exercise