What do frogs and turtles have in common?

The difference between the lower class limits of adjacent classes provides the

What does it mean to say that "service sector" jobs are predominant in europe's mixed economies today? a. that jobs where people work in factories predominate b. that jobs where people do something for others predominate c. that jobs where people work the land predominate d. that jobs in government predominate

An refers to a specific factor that has a range of possible values