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
The sprinkler family of irrigation devices â used for about 15% of farm irrigation â is a bit better than flood irrigation in terms of efficiency, but thatâs not saying much. Bringing up the rear in terms of usage is drip irrigation, which is the method of choice for about 5% of farms.