Yo accounts not banned anymore

so lets get educated

Which statement describes absolute and apparent brightness? absolute brightness and apparent brightness are identical ways to describe the brightness of a star. absolute brightness and apparent brightness change with the distance from the star to the observer. absolute brightness depends on the distance from the star to the observer, whereas apparent brightness is always the same. absolute brightness is the actual amount of light produced by the star, whereas apparent brightness changes with distance from the observer.

According to the nebular theory, the planets formed from a process called . after our protosun formed, remaining dust and gas from the nebula collided, combined, and gravitated together to form the planets.

Why is it essential to operationally define the variables in a study?