If Carbon Dioxide Levels Have Been Rising for Years, the Polar

Multiple Choice

If carbon dioxide levels have been rising for years, the polar ice caps are melting, the frequency and intensity of hurricanes is increasing, and the acidity of sea water is rising, then climate change is for real, it's not just a delusion of leftist thinking, and the nations of the world must unite to address the threat.

A) Argument; conclusion: It's not just a delusion of leftist thinking.
B) Argument; conclusion: The nations of the world must unite to address the threat.
C) Argument; conclusion: The polar ice caps are melting.
D) Argument; conclusion: Climate change is for real.
E) Nonargument.