The is to sensory input as a major city is to a country's airplanes, through which all air traffic passes an route to the various destinations. amygdala, cortex, thalamus, reticular formation

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

option c is the correct answer.

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link: