Please I need the answer ASAP. I’ll mark brainliest if correct

How do you take a green screen out of the video while editing?

How should you specify box sizes on a web page if you want the boxes to vary according to the font size of the text they contain? a. in pixels b. in inches c. as percentages d. in em units

Which of these might be an example of an advertiser's target group? a.people who have no access to media b.people the advertisers know nothing about c. people who watch a variety of tv shows d. people who live in the same region of the country