¿Por qué se podría afirmar que la libertad y participación del pueblo son elementos importantes en la democracia de las sociedades en la antigüedad

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

What are the most populous and least areas of russia and why are some areas more heavily populated than others

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy