How do just noticeable differences and weber’s law work hand in hand?
(for the subject psychology, i didn't see that option of subject)

Weber's Law, more simply stated, says that the size of the just noticeable difference (i.e., delta I) is a constant proportion of the original stimulus value. For example: Suppose that you presented two spots of light each with an intensity of 100 units to an observer.

c. taught scientists many new things about the earth, but not other planets.

explanation:

manifest functions are the recognized and intended consequences of any social pattern, while latent functions are those unrecognized and unintended consequences. to analyze the manifest functions of any social institution, we have to study its contribution to the continuation of a group, community, or society.