While having her hearing tested, sydney is asked to signal when she hears a sound through the headphones. sydney's hearing test is similar to determining: ?

The way that Sydney’s hearing test was processed is similar in determining the absolute threshold. The absolute threshold is where the stimulus at the lowest level is being detected by an individual. Such examples are touching, light or even sound. It could be seen in the scenario above as Sydney’s hearing is being tested.

another answer from our community: let us first explain the meaning of "eternal truth" which is tomean, continuing forever or indefinitely. this being the case itcannot be changed, for truth is truth no matter what changes aremade to the structure of its explanation. however, as for religeons changin… (more)

the answer is b, encourage free trade