Respuesta :
The answer is B
This conclusion would give the best clincher to graces psa video she should have already made some points based on facts in the middle of her video.
The thing that should be included at the conclusion of her PSA video is B. various students waving and saying "goodbye" in different languages
What is a Conclusion?
This refers to the final statement that is made about a thing that shows that it has come to an end and an assertion has been made.
Hence, we can see that based on the fact that Grace is making a PSA about learning a new language, for her to make it more effective, she should add to her conclusion an image of various students waving and saying "goodbye" in different languages.
Read more about conclusions here:
https://brainly.com/question/24542637
#SPJ2