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 most efficient way is through aerobic respiration, which requires oxygen. This method will give the most ATP per input energy source. However, if no oxygen is available, the organism must still convert the energy using other means. Processes that happen without oxygen are called anaerobic.