Answer:
(3) control group
Explanation:
Control group refers to the group of standar individuals who do not receive treatment by researchers, so that their results are compared with the experiential group which did receive treatment.
In the experiment about pulse rate according to music, the student does not include the average pulse rate of the control group that was not exposed to different types of music.
The correct answer is:
<span>Lee’s office building is more comfortable than Rita’s.
I hope this helped :)</span>
Hi, the answer is A. And the adjective clause in this example is "which Mom and Dad gave Billy just last week."
The Congress, of course, must rightly keep itself informed at all times of the progress of the program. However, there is certain information, as the Congress itself will readily recognize, which, in the interests of our own security and those of the nations that we are supporting, must of needs be kept in confidence.