Which change will cause fewer skunks to be sighted in the future?
(A) An increase in the number of cougars
(B) An increase in the number of raccoons
(C) An increase in the number of deer
(D) It is impossible to make this determination.

In a heavily populated suburb, two cougars were once spotted roaming in a small field. Local wildlife experts, though not surprised, warned the public to be aware of their surroundings and to keep small pets protected. A group of local junior high school students were curious about the population of cougars in the area since no one they asked had ever seen one in the area. With the help of local wildlife enthusiasts and carefully placed motion-activated wildlife cameras, the group of students recorded sightings of animals in a local forest preserve for their entire four years of high school. The results are shown below.

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Annual Sightings 250 200 150 100 50 0 2005 Cougars Skunk All Animals 2006 Deman Deer II Raccoon 2007 2008 Chipmunk Annual Sightings 7 6 S + 3 نیا 2 1 0 2005 Cougars 2006 2007 2008