Explanation:
A scientific control group is an essential part of many research designs, allowing researchers to minimize the effect of all variables except the independent variable. The control group, receiving no intervention, is used as a baseline to compare groups and assess the effect of that intervention.
Answer:
have immediate access to the extinguisher, know how to actuate the unit, and know how to apply the agent effectively. Attempting to extinguish even a small fire carries some risk. Hopefully this is what you were looking for.
The Kingda Ka in sixflags great adventure in Jackson New Jersey, in the United States.
It's the tallest and second fastest in the world.