Answer: C) An advance organizer.
Explanation:
An advance organizer is what teachers provide their students' whit to guide them through a subject before starting the class. It allows teachers to introduce information and lead the way on how to aproach it. It provides a preview of the matter and is intended to get students interested in knowing more. Furthermore, it helps them link previous knowledge with what they’re about to see.
The type of government Alexander the Great lived in should be:
<span>absolute monarchy.</span>
1 is false, waves can't propagate in a vacuum.