Polar bears hunt for ringed seals by waiting for them to emerge from breathing holes in the ice. Which abiotic change may decrease a polar bear's ability to hunt?

A. increased temperatures
B. increased seal population
C. increased ice cover
D. increased competition

A. increased temperatures

If temperatures increase, the ice may melt or become thinner, making it more difficult for polar bears to hunt for seals. This could result in a decrease in their ability to find prey.