An airplane flies horizontally from east to west at relative to the air. If it flies in a steady wind that blows horizontally toward the southwest (45 south of west), find the speed and direction of the airplane relative to the ground.

Which of the following is true of concerts a. concepts prevent us from generalize b. concepts independent of experiences and object. c. concepts complicate the memory process d. concepts provide clues about how to react to a particular object or experience