Siegfried and roy have been friends for many years. in the past few months, however, they seem to have less in common, and roy has been thinking more about hanging out with a potential new friend. siegfried and roy appear to be in the stage of friendship development.

In which research method does a researcher change the value of one variable to determine how the change affects another variable? a. experiment b. observational research c. survey d. case study

Acar traveling at 65 mile per hour has kinetic energy because of its position on the road. true or false

Which of the following statements best describes relations between india and pakistan? a. the countries have had peaceful relations since the partition of india. b. the countries have an ongoing trade dispute with bangladesh. c. the countries have had conflicts over the region of kashmir. d. the countries have agreed not to develop nuclear weapons.