I believe the answer is D. Here is a really good link to help you figure out the concept.
http://www.takadimi.net/documents/Takadimi%20short%20guide%20for%20Web.pdf
Hope this helps!
The future or something that happened to them
Answer:
Well, I'm certainly not a chef but I know that if you whip egg whites and then mix them in with your batter, it will make the fluffiest pancakes!
I don't know what u mean by primary purpose light colors but if you just asking for primary colors these are the only ones.
