Which of the Following Statements Regarding the Development of Models

Multiple Choice

Which of the following statements regarding the development of models by scientists is true?

A) all models cannot incorporate all the relevant factors affecting a phenomenon because some factors are either unknown or cannot be accurately represented.
B) complex systems involve so many variables that the interactions among them cannot be fully understood and incorporated into models.
C) most scientists believe that because systems cannot be modelled with 100 percent accuracy,models can never be perfect representations of reality.
D) a model is better than the assumptions and accuracy of information upon which it is based.
E) models work exactly as the real world systems they represent.