Which role do plants play in the nitrogen cycle?

Whether or not a given study has the possibility of causing harm to participants:

Why is this statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive. a. it is a well-known fact. b. it is a proven theory. c. it is not falsifiable. d. it is difficult to test.

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.