Economists do not universally accept the relevance of diseconomies of scale.

American legend says that Johnny Appleseed planted apple orchards throughout Ohio.

Christopher Columbus was the first person to navigate under the patronage of Queen Isabella of Spain.

The old hotel has recently been renovated.

Egyptian authorities are trying to prevent their historical monuments from succumbing to the ravages of time.

The perpetual motion of the earth as it turns on its axis creates the change of seasons.

The development of general anesthetics has allowed doctors to operate without the pain once associated with surgery.

Scientists measure the microscopic distances between atoms in microns.

Some economists are proposing that the United States institute a consumption tax rather than an income tax.

A careful typist, my secretary is very conscientious about correcting even the smallest error.