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
Flood irrigation transports the water in open trenches to the soil where the planting gets. about half of the water supplied. Sprinklers are more efficient than flood irrigation, with only about one fourth of the water lost, but. drip irrigation results in losses of less than 10 percent of the supply.