Channel: Flowbook English
Category: Education
Tags: chemistryeducationnatural resourcesenglish learningresourcesflowbooknon renewableconserve coalfossil fuelsclass 8online classesconservationcase syllabusrenewablecoalpetroleum
Description: Coal and petroleum are good sources of energy and are formed over a period of thousands of years when the remains of dead plants and animals are buried inside the earth. In this video, you can learn introduction of conservation of coal and petroleum. Subscribe our channel Flowbook for more learning videos !