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
Efficient, Low-Cost Lake And Pond Aeration. Manufacturer guaranteed to be the most efficient, Sweetwater compressor-driven lake and pond air diffuser aeration systems are an effective, low-cost method of inducing circulation to remove stratification and add oxygen.anufacturer guaranteed to be the most efficient, Sweetwater compressor-driven lake and pond air diffuser aeration systems are an effective, low-cost method of inducing circulation to remove stratification and add oxygen.