Volcanoes, rivers, canadian shields, & food
The city-states of Mesopotamia were independent cities built around temples and totally self-contained within fearsome perimeter walls.
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I would say this statement is true.
Answer:
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.