The most widely used cookbook in America is the American Century Cookbook.
the bible
The Bible was used by many and the McGuffy reader.
There's no official language for North America but the most used is English. Numerous people speak Spanish, however. This is because of the many illegal aliens that come here.
Mandarin is the most widely used Chinese dialect.
Television is the most widely used form of mass media.
Television is the most widely used form of mass media.
The most widely used burnable fuel is gasoline, which is commonly used in vehicles for transportation.
a widely used antibiotic
The metric system is most widely used, used in every country with the exception of America and Belize.
Cantonese dialect is the second most widely used language in China.
the most widely used second language is actually English since many other countries besides north America and Canada use it as a dependent second language.
A diabetic cookbook is a cookbook that is used for diabetics. These usually include the carb counts that are in the food items. They are used to help keep the blood sugar down.