I would say the first one
Answer:
density is defined as the mass of a substance per unit volume, and is highly variable in crustal rocks. Rock density is a physical characteristic that is governed by the chemical composition (in situ minerals) and pore spaces of a specific rock or rock type.
Explanation:
A. Unique would be the <span>synonym </span>
"a very hectic place" is an adjective phrase because it describes the emergency room which is the noun as hectic, which is an adjective.
That the Handicapper General is no different than anyone else in the society and does not possess any special skills.
Is this from Ender's Game?