Question: What is a technique for optimizing Unity UI elements?

1. Group static UI elements on one canvas, and dynamic elements on a separate canvas
2. Position all canvas objects to the world origin
3. Group as many UI elements as possible onto only one canvas
4. Divide the screen into multiple canvas objects, each sized to a quarter of the screen size

Answer: The correct answer of the above question is Option A:Group static UI elements on one canvas, and dynamic elements on a separate canvas