During a field trip, Liu notices that an old marble statue looks different from a new marble statue. The surface of the old statue is rough while the new statue is smooth and shiny. There is a high level of
pollution in the area the statues are located. What is most likely the cause of the difference in the way
the statues appear?
A. Deposition from plants
B. Erosion from blowing wind
C. Physical weathering from animals
D. Chemical weathering from acid rain WITCH IS THE ANSWER