Bluescreen technology is often used in a. Romantic movies
b. Action movies
c. Documentaries
d. All of the above

Used primarily in the making of movies, this technology allows actors to perform in front of a blue background screen, upon which background images are superimposed later by computer.

Explanation:

you didnt add any sort of groups or any options, you can edit it and then people can try to answer now its kinda hard.

hope this gives you a heads up why you arent answered. : d

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