Question

1. identify the correct placement of commas in the following sentence: \the jetsons\ introduced viewers to futuristic concepts like video calls flying cars and robot maids \the jetsons\ introduced viewers to futuristic concepts like video calls, flying cars and robot maids \the jetsons\ introduced viewers to futuristic concepts like video calls, flying cars, and robot maids. \the jetsons\ introduced viewers to futuristic concepts, like video calls, flying cars and robot maids \the jetsons\ introduced viewers to futuristic concepts like, video calls, flying, cars, and robot maids

Explanation:

In a list of items in English, commas are used to separate the items. When there are three or more items, a comma is placed before the conjunction "and". Here, "video calls", "flying cars", and "robot maids" are the items in the list of futuristic concepts.

Answer:

"The Jetsons" introduced viewers to futuristic concepts like video calls, flying cars, and robot maids.