Which of the following mass spectra shows the presence of bromine in a compound? 
I II 
III IV Four spectra above: courtesy of SDBS: National Institute of Advanced Industrial Science and Technology
Definitions:
Human Behavior
The range of actions and mannerisms exhibited by humans in conjunction with their environment, social structures, and culture.
Ulterior Motives
Hidden or secret reasons behind an action or behavior.
Psychological Laboratory
A controlled environment where experiments are conducted to study psychological phenomena.
Wilhelm Wundt
Often considered the father of modern psychology, he established the first psychology laboratory at the University of Leipzig in Germany.
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