French is the official language in 29 countries, most of which are members of la francophonie, the community of French-speaking countries.It is spoken as a first language in France, southern Belgium, western Switzerland, Monaco, certain parts of Canada and by various communities elsewhere.rench is the official language in 29 countries, most of which are members of la francophonie, the community of French-speaking countries.
Study sets matching term:drip+irrigation = most efficient method of irrigation
With his first practical engine in 1897, âDiesel proved to the world that his was the most efficient engine ever built.â Diesels are still among the most energy efficient engines available. They are widely used in large trucks, boats, earthmoving machinery, etc.