How Does Hydrogen Power Work: Hydrogen is efficient fuel to use to generate electricity. It is available in great amount and does not put negative effects like emission of harmful gases or greenhouse effect. This non-toxic gas is easy to produce from many renewable energy sources.
Noun. 1. sheikh-the leader of an Arab village or family. Arab chief, sheik, tribal sheik, tribal sheikh. ruler, swayer-a person who rules or commands; swayer of the universe.
UAE. A country of eastern Arabia, a federation of seven sheikhdoms on the Persian Gulf and the Gulf of Oman. Converted to Islam in the 7th century, the area later became a base for pirates and was known as the Pirate Coast into the 19th century.