Yes you could be pregnant so perform a pregnancy test BEFORE taking Birth Control.
Fertility clinic
Well, it depends on what you tested and how you tested it, but seeing as you probably used the 'dry the pieces and find the weight difference before and after' method, your control would be the weight of the orange BEFORE drying it.
2 cups
Yes you can get tested for Huntingon's disease. You can do it privately or go to an HD clinic. Which are based all over the world.
go to your clinic and go speech with a doctor . get tested
Control group
You can go to any local clinic or hospital and have yourself tested.
The control is the group that doesnt get tested
The control is the variable that is not tested.
The factor not being tested in an experiment is called a control variable. Control variables are kept constant throughout the experiment to ensure that any changes in the outcome can be attributed to the factor being tested.
The Control Group is not exposed to the tested variable.
a control