Question

Why did evolution create ✓pjp qavs eqs ? that lays so many unfertilized eggs when that is so wasteful?
Why are red, yellow, and blue the primary colors in painting but computer screens use red, green, and blue?​

Answer 1

Answer:

They are so named because the red cone cells mostly detect red light, the green cone cells mostly detect green light, and the blue cone cells mostly detect blue light. ... Each image pixel of a computer screen is just a small collection of light sources emitting different colours .