I'm pretty sure its C. Crude means not yet processed or refined. It makes the most sense.
It helps the economy. Casinos bring people to the state which also brings in money. Food places and hotels are also built for the out of state people to stay in. It boosts the economy for that state
This is a relative clause. Adjective: "who finished the marathon" hope this helps!
The answer is D- worry he answer is b- recklessness because plethora and scarcity are opposites and so are caution and recklessness :)
<span>The Royal Road decreased the travel time between Persepolis and Anatolia [Turkey} from months to days, making transportation easier and faster.</span>