why can models of system represent only certain aspects of the system under study? Explain your answer

The blue segment below is a diameter of oo. what is the length of the radius of the circle?

Are divergent boundaries responsible for tsunamis?

All of the following are reasons why deserts extremely susceptible to wind erosion except a. they lack major root systems b. they contain thin, dry soil c. they have very few plants and trees d. they are extremely hot and lack water