How did muslim turks influence turkeys 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

How does cloud cover affect how much infrared light is reflected back to the ground?

Ahmad is five years old and he has just been caught watching television when he was supposed to be studying according his father’s orders. when his father hears of this incident, he yells at him, spanks him, and restricts him from watching television for one week. ahmad’s father is displaying a(n) parenting style in this scenario.