Why does a clam shell have a good possibility of being preserved?

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

What are the most populous and least populous areas of russia? and why are some areas more heavily populated than others?

Surfaces of paintings—such as paper, canvas, and pottery—are referred to technically as