Question 1 (2 points) In the Synthetic Camera Model, not all objects in the virtual world can be seen in the camera's viewable region. What is the process called that removes non-viewable objects from the viewable scene? Save Question 2 (2 points) Tags in HTML begin with a""and end with a ">". Write down the required opening script tag for the Fragment Shader. You are not supposed to add the closing tag, and you are not supposed to add any of the code that goes between the opening and closing tags. Just write down the opening tag: Save Question 3 (2 points) How many bits are there in a float that exists in a Shader program (not floats that run in a JavaScript program)? 16 32 64 128