The correct answer is: <span>B) An Astronomical Unit
</span><span>If I managed to help you, please make sure to mark my answer as the "Brainliest" answer. Thanks! :)</span>
9000/10=900 people per square mile
<span>Caucasus Mountains separates Georgia from </span>Russia<span />
Valence electrons, then, are electrons in the outermost shell of the atom that determine an atom's or group's ability to bond with others. In chemistry, a group refers to two or more atoms that are specifically arranged.
Hoped that helped
