Trevor is scratching his head, trying desperately to solve a verbal analogy as part of a standardized entrance examination; Sien
na, meanwhile, is giving an oral presentation in a political science class. Of the brain's hemispheres, Trevor's ________ hemisphere is most active; Sienna's ________ hemisphere is most active.
The Left hemisphere of the brain is responsible for performing task that relates to logic such as mathematics, science and technology. Both Trevor and Sienna are engaging the left hemisphere of the brain as the task they are engaged in is performed by the left hemisphere of the brain.
Katelyn is not putting any effort to do the job by not contributing, but still gets rewarder for the high grade. A free rider is someone who takes credit for a job the person did not do. Katelyn is taking this type of credit, so she is a free- rider.
