Answer:
The correct answer is D. Forest rangers actively warn campers not to leave food out to avoid attracting unwanted animals in their campsite; Campers should be careful to keep food and garbage securely stored.
I confirmed the answer as C. It shows the VC's coordination in the face of obstacles to emphasize the challenging nature of the environment. Through Apex
B. Because corpse is a dead non living body and a body could be either/or.
The correct answer is in this case Several
Several is indefinite because it doesn't point to a precise expedition to the polar regions.