Answer:
The Civil War was fundamentally a conflict over slavery. However, the way Lincoln saw it, emancipation, when it came, would have to be gradual, as the most important thing was to prevent the Southern rebellion from severing the Union permanently in two.
Explanation:
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.
The best answer to the question above would be the first choice, red supergiants, and supernovas. All of the elements that are heavier than oxygen are created by the fusion reactions in red supergiants and supernovas.
Satellites measure the ocean floor from space, that is another way to measure !!
