4. Recall that an observational study can be used to prove a correlation. Think of an observational study that you have learned about, or make up your own example.
a. Give a sample question or hypothesis for this observational study

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

How will you manage your time to accomplish the necessary tasks both on the job and at home?

Which factor is difficult to assess in a cost-benefit analysis