Answer:
आप क्या कह रहे हैं भाई मुझे समझ में नहीं आया क्या यह सवाल है
Answer= Because polar bears depend on ice as a habitat to survive the more the temperature is rising and the sea ice melting as a result of global warming there is basically a possibility that the population of polar bears will decline because there will be no home (habitat)left for them to breed(survive)in.
C) As the trait will then pass to others without it and through natural selection will become abundant
