Answer:
It's D.
Explanation:
Just think about it, visual effects designers do more complex work: other than sketching. Cartoonist are more likely to create a story board because Cartoons are animated and mostly require the storyboards themselves. So It's an obvious D.
Four point would give you the 360 degree view
Answer: I believe it's the fact it used and does still display music videos on tv for "free", or the fact it streamed the most famous songs on it so people could go to their channel and listen to music / radio (but with music videos) at home.
Explanation:
D. Reduces the intensity of a light source
