The answer is "the animal shelter"
In the sentence, "Because the animal shelter was filled with dogs and cats, the noise in the building was incredibly loud" the subject is the animal shelter. Subject in the sentence refers to the person, place, or thing that is doing or being something.
I think the answer may be water pollution.
water pollution > Water pollution<span> is the contamination of </span>water<span> bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when </span>pollutants<span> are directly or indirectly discharged into </span>water<span> bodies without adequate treatment to remove harmful compounds.
source: Wikipedia </span>
The asnswer would be 42 bc/ 42 divided by 14 is 3
