(1) americans love ice cream. (2) in fact, on average, each american eats about six gallons a year. (3) though ice cream may seem as american as apple pie, it did not originate in the united states. (4) iced desserts were invented in asia long ago. (5) iced desserts, such as fruit ices, were described in the thirteenth century by italian traveler marco polo, who encountered them during his visits to china. (6) iced dessert recipes, including milk-based frozen desserts, were then developed by italian chefs. (7) iced dessert recipes were brought to france by an italian. (8) ice cream recipes were further developed in france, and the frosty treat gradually became popular in europe. (9) ice cream recipes were brought to the american colonies by europeans who came to settle there.
which is the most effective way to vary the sentences in the passage?

combine sentences (5) and (6).

invert sentences by putting verbs before subjects.

lengthen sentence (5) by adding detail to it.

begin sentences with different parts of speech.