Out of the choices given, the statement about idea models that isn't true is that idea models are typically used to predict natural disasters. The correct answer is B.
Idea models refers to those models that are used to show the relationships that exist between abstract concepts. The model is used basically to bring about desired changes and it normally used in business and other sectors to visualize how an idea might work out. Idea models are usually presented in form of graphs and equations, the variables in these graphs and equations show the relationships between the variables that are been considered.
In Manchester England in the 1840's there were factories that used coal which coated the trees. This allowed the darker moths to hide better against the trees than the lighter moths which were eaten by birds.
