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>
Answer: B
Explanation: In the raven. The protagonist is going insane due to the pain and greief he is feeling for the loss of his love. He is haluccinating the raven, but that is due to the fact that he is in pain from the loss of lenore.
<span>a compilation of dictionaries is callled lexicography</span>
A couple of ideas are: All men are created equal. All men have basic human rights given to them by God. The only reason to have a government is to protect these basic human rights, which Jefferson lists as "life, liberty, and the pursuit of happiness."