If you want to know whether that sentence is punctuated correctly, then you are right - it is.
You need to have a comma after the word range, because that is where the dependent clause ends, and there should be no comma before the conjunction and.
Answer:
The answer is "to provide."
Explanation:
The sentence "The purpose of this workshop is _____ new employees with all the necessary information" requires an infinitive to be completed. An infinitive is the basic form of a verb, without an inflection binding it to a particular subject or tense. "To provide" is an infinitive, and thus completes the sentence properly.
Chocolate was brought from the New World to the Old World after 1492. The Mayas and Aztecs of Central American had been cultivating it.
Also making the trip across the Atlantic after 1492: corn, tomatoes, potatoes, squashes, beans, avocado, chili peppers.
