Question

A marble statue is left exposed to the weather. Within a few years, the details on the statue have begun to weather away. This weathering probably is caused by __________________.

Choose one answer. a. oxygen in the air
b. carbonic acid in rainwater
c. abrasion
d. 16

Answer 1

According to the situation given below, I'd got with third option: This weathering probably is caused by c. abrasion.