"Dead zones" in US coastal waters have grown 30-fold since 1960, according to a recent government report. This report refers to which of the following environmental pollution issues?
A.
eutrophication caused by fertilizer and detergent runoff
B.
heavy metal poisoning caused by industrial dumping
C.
elevated radiation levels caused by nuclear power generation
D.
increased ozone levels caused by climate change

Question

"Dead zones" in US coastal waters have grown 30-fold since 1960, according to a recent government report. This report refers to which of the following environmental pollution issues? 
A.
eutrophication caused by fertilizer and detergent runoff
B.
heavy metal poisoning caused by industrial dumping
C.
elevated radiation levels caused by nuclear power generation
D.
increased ozone levels caused by climate change

Mercury · Answer

old question but will respond so this can be closed https://www.nationalgeographic.org/encyclopedia/dead-zone/