1) 17... a) and it is predicted to continue to do so b) that could allow some polar bear populations to survive c) and will receive special protection under U.S. law d) that human activity is directly responsible e) that saving the polar bear f) that the decline of Arctic sea ice 2) 18... a) and it is predicted to continue to do so b) that could allow some polar bear populations to survive c) and will receive special protection under U.S. law d) that human activity is directly responsible e) that saving the polar bear f) that the decline of Arctic sea ice 3) 19... a) and it is predicted to continue to do so b) that could allow some polar bear populations to survive c) and will receive special protection under U.S. law d) that human activity is directly responsible e) that saving the polar bear f) that the decline of Arctic sea ice 4) 20... a) and it is predicted to continue to do so b) that could allow some polar bear populations to survive c) and will receive special protection under U.S. law d) that human activity is directly responsible e) that saving the polar bear f) that the decline of Arctic sea ice 5) 21... a) and it is predicted to continue to do so b) that could allow some polar bear populations to survive c) and will receive special protection under U.S. law d) that human activity is directly responsible e) that saving the polar bear f) that the decline of Arctic sea ice 6) 22... a) and it is predicted to continue to do so b) that could allow some polar bear populations to survive c) and will receive special protection under U.S. law d) that human activity is directly responsible e) that saving the polar bear f) that the decline of Arctic sea ice

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