Can some explain and show how they got an answer? Will give brainliest.

According to binet, mental age relates to chronological age because a. they are the same thing b. mental age involves calculating the chronological age at which a person functions c. chronological age involves calculating how a person is mentally functioning d. they are opposites 38

Pkease ! what are a few reasons why the south seceded from the union

Use the conversion factors to rewrite the distances in different, but equivalent, units. celestial objects distance from the star object a 0.000001877 pc object b 30.06 au object c 778.3 million km