How are models used

A. to predict an event
B. to describe a relationship that is difficult to see
C. to represent and abstract ideas
D. all of these

D.)all of these models are also used to test something before it's done

well schools are being forced to embrace computers. unlike their "digital immigrant" teachers, these students are "digital natives", born into a world where technology is an integral part of everyday life. almost every student has access to a multitude of computers, laptops and tablet devices. it would be crazy to assume an assignment would  not be written on computer in this day and age.

don't delete this trying to