A fewer predators<>is<>most likely to cause the number of rabbits$$$A fewer predators<>to cause<>the number of rabbits$$$rabbits<>living<>in an area<>to increase$$$the number of rabbits<>to increase<>
In the predator-free area, rabbit numbers increased 8 fold in 12 months.
A fewer predators is most likely to cause the number of rabbits living in an area to increase.
Which factor is most likely to cause the number of rabbits living in an area to increase?