PLEASE HELP ASAP Directions : for each scenario write which group is the control and which is the experimental group. Then write which is the independent variable and which is the dependent variable

1. Sara wants to know how Rogaine affects hair growth. She gives Group A Rogaine and Group B a placebo pill. Sara measures each groups’ new hair growth weekly.

2. Rob wants to know how temperature affects the amount a person sweats. He places Group A in a room that is 1000 F and Group B in a room that is 700 F. Rob measures the amount of sweat produced by each group.

3. Colin wants to know how band aids affect the amount of time it takes for a cut to heal. Group A does not apply a band aid to their cut. Group B places band aids on their cuts. Colin checks the cuts daily and records how long it takes for the cuts to heal.