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
Here are some of the most popular: 1  Soaker Hoses â soaker hoses ooze water through a porous membrane running the length of the hose. 2  Drip Irrigation Systems â Drip Irrigation Systems are becoming the most popular among landscapers and irrigators as they are the most water-efficient. They are especially good for non-turf areas. Each drop is applied slowly and allowed to soak into the ground.