What number of fe atoms and what amount (moles) of fe atoms are in 500.0 g of iron?

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.

Ill mark brainliest to whoever answers first correctly hurry! a vehicle's is the entire piece of plastic that spans the front end of the passenger cabin. a. instrument panel b. control panel c. dashboard d. frontboard

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