Apparent magnitude . measures only luminosity
measures both luminosity and distance
represents a star's actual brightness
describes a star's brightness in comparison to the sun

measures both luminosity and distance

Explanation:

Apparent magnitude (m) is a measure of the brightness of a star or other astronomical object observed from Earth. An object's apparent magnitude depends on its intrinsic luminosity, its distance from Earth, and any extinction of the object's light caused by interstellar dust along the line of sight to the observer.

the one feature that all mediterranean countries have in common is that they border the mediterranean sea.

explanation:

answerthey are called the pampas;