SCIENCE: WAVES UNIT TEST, UNIT 7: LESSON 9 . WHICH OF THE FOLLOWING IS A LIMITATION OF MODELS?

1. MODELS USUALLY DO NOT HAVE EXACTLY THE SAME FEATURES AS THE OBJECTS OR EVENTS THAT THEY REPRESENT.
2. IT IS OFTEN EASIER TO STUDY MODELS RATHER THAN OBJECTS OR EVENTS THAT THEY REPRESENT.

3. MODELS CANNOT CAPTURE ALL THE COMPLEXITIES AND VARIABLES OF THE REAL-WORLD OBJECTS OR EVENTS THAT THEY REPRESENT.

4. MODELS MAY NOT BE ABLE TO ACCOUNT FOR UNEXPECTED OR UNKNOWN FACTORS THAT CAN AFFECT THE OBJECTS OR EVENTS THEY REPRESENT.