What are three possible controls for this experiment

What is the measure of a change in an objects velocity?

Which fact supports the conclusion that there will be fewer farm managers in the future? a) a farmer manager’s duties vary by the type of farm. b) farm technology is replacing some administrative jobs c) farm managers often need experience but not education. d) administrative duties include budgeting and training staff.

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o