What will be different if the syringes and tube are filled with air instead of water? Explain your answer​

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 important race leader of the early twentieth century is being described?

Which of the following is not a result of increased democracy in russia?