Answer:
Random assignment.
Explanation:
Random assignment (also known as random allocation, or randomization), in psychology experiments, is randomly selecting participants or units by the use of chance procedures so that each participant or unit has the same chance (equal likelihood) of being assigned to any particular control or treatment group.
D body mass index as measures the amount of fat on your body.
Answer:
... It is asking for your family. All of our answers would be different.
Explanation:
You can't see them without a microscope, nor can you smell or taste them individually.