Unit 1 research report In addition to climate change, polar bears also face threats from pollution. Use the Internet for research and write a three- to four-paragraph report describing two ways in which the polar bear population in the Arctic is affected by pollution. Your report should contain: a first paragraph that serves as an introduction to the problem (10 marks) two ways in which polar bears are affected by pollution (20 marks) at least two references cited in the body of the answer (1 marks) all references cited in the answer, listed again at the end in APA style (1 marks).