It depends on the testing method. You have to ask your testing center.
Latest advanced testing methods needs a period of 60 days.
Spontaneously Combustible
Experimental group
This is known as the experimental group.
This is known as the experimental group.
Experiments typically involve:1) Experimental group: the group of subjects exposed to the variable being tested.2) Control group: should be as identical as possible to the experimental group, but is deliberately not exposed to the experimental variable - this provides a baseline measure from which the effect of the variable can be determined.
control group
Control group
No they do not, i have gotten prescribed many controlled substances without being tested
fifteen turtles are fed iceberg lettuce and vitamins, while another fifteen turtles are fed only iceberg lettuce. :) APEX
exposed means left or being without shelter or protection: The house stoodon a windy, exposed cliff.
The group is called the test group or test subjects.
No it can't.