Answer;
-All of the above
A.idea model. B.physical model. C.computer model.
Explanation;
-In science, a model is a representation of an idea, an object or even a process or a system that is used to describe and explain phenomena that cannot be experienced directly.
-Models are often used to represent things that are very small or very large. Models may also represent things that are very complicated or things that no longer exist. A model can be a kind of hypothesis and can be tested. To build a model of an organism, scientists must gather information learned from fossils and other observations.