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
Drip System â Drip irrigation is the most water-efficient way to irrigate many different plantings. It is an ideal way to water in clay soils because the water is applied slowly, allowing the soil to absorb the water and avoid runoff. Drip devices use a fraction of the water that overhead spray devices use.