The question said "what are examples of biofilms that are harmful to property" what do they mean by property? do they mean the environment? also can you give me an example of how biofilms are damaging to property?

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases