Answer:
A. High entry costs prevent new producers from entering the market.
Explanation:
Oligopoly is the opposite of monopoly (only one company that offers a service or is the supply). An oligopoly has few companies offering one service or product which can control the supply and market price of it, such as automotive sector or airline. One of the things that limited competition in an oligopoly is the costs of entry, to set up the manufacturer, to make research and marketing and be able to compete with these companies the entry cost is high.
Answer:
The answer is B. Pharaohs
Pros: emergency use, able to use calculator, notes, internet, etc.., and for socializing with people (can be both good and bad)
Cons: distractions, lost/stolen, could be used in a way to bully ppl buy recording or taking pics and posting them on social media
The Abbasid dynasty ruled as caliphs from their capital in Baghdad, in modern Iraq, after taking over authority of the Muslim empire from the Umayyads in 750 CE.
