What technological development had the biggest impact on filmmaking in the 1920s and 30s? (It’s hinted at towards the end of the video, or you can consider what’s different about what you watch today from what was created then).

Explanation:

Back then like in the 1920s and 30s like watching a movie or video is black and white. But now when you watch a video or a movie you see colors in the background.

answer; the liver can process (one standard drink) in one hour;