English Presentation | Future Energy Sources

English Presentation | Future Energy Sources English Presentation | Future Energy Sources LELB Lecturer: Sasan LELB on YouTube LELB on Aparat Selected Text Source: Noun /sɔːs/ US /sɔːrs/ noun [C] 1. the place something comes from or starts at, or the cause of something: a source of heat/energy/light Oranges are a good source of vitamin … Read more