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>
<span>After a thorough research, there exists a similar question with the following choices:
</span>A. Climax
B. Falling action
C. Resolution
D. Exposition.
<span>
The last part of the Beowulf excerpt recounts how Grendel flees into the darkness after suffering a fatal wound from Beowulf. That part of Freytag's pyramid best fits in the section of the story is would be (B) Falling Action</span>
