Question

insert dashes where needed.
at sunfest organic farm a cutting - edge herb farm in okeechobee, florida the herbs are washed with ultraviolet light in a vacuum - sealed room.

Explanation:

Dashes are used to set off non - essential information. Here, "a cutting - edge herb farm in Okeechobee, Florida" is non - essential information about "Sunfest Organic Farm".

Answer:

At Sunfest Organic Farm—a cutting - edge herb farm in Okeechobee, Florida—the herbs are washed with ultraviolet light in a vacuum - sealed room.