Quickly answer this question please​

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

Is it true the ancient egyptians created a calendar that had 10 days in a week

Who was the macedonian conqueror of greece and builder of an empire?