Final answer:
Extortion involves taking property through deception or threats, as opposed to robbery which involves the use of force or immediate threat of force.
Step-by-step explanation:
One difference between robbery and extortion is that in extortion, the property is taken through c) deception or threats. Robbery usually involves the use of force or the immediate threat of force to obtain property from someone against their will.
By contrast, extortion involves coercing a victim to hand over property, money, or services through threats of future harm, reputational damage, or other forms of pressure that do not involve immediate physical force.