<span>All of this high-tech fakery happens with the help of backdrops of brightly colored fabric or paint, and a process called "chroma key," also referred to as "green screen" due to the backdrops' color, which is typically a vivid green. ... Chroma keying isn't just for backgrounds; it works with objects, too.</span>
I’m pretty sure it would be “A novel assigned in English class” (algorithm is a process or set of rules to be followed in calculations or other problem-solving operations, especially by a computer.) Example: the recipe for baking a cake.
Answer 1 it’s online banking