4) "In the presence of nature, a wild delight runs through the man in spite of
great sorrows."*

the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

hope this !

answer; motor (efferent)neurons;