<span>In cases of obsessive-compulsive disorder (OCD), compulsions frequently accompany obsessions and appear to serve the function of reducing the anxiety created by such disturbing thoughts.
Compulsions are repetitive physical actions or behavior that are repeatedly performed in order to lessen the stress caused by anxiety from obsessions.</span>
The "bi" in the word "bicameral" refers to the number 2: a bicameral legislature features two legislative bodies (the correct answer is D).
A legislature with one body would be called "unicameral".
Most legislatures only have one or two bodies, so the other words are not often used (and especially 100 legislative bodies would not be feasible to maintain).
The president is your answer .-.
