An article in a magazine denies that Earth is warming and climate change is occurring. The writer reports that this season was the snowiest winter on record for the Northeast, with lower than average temperatures for the region. Because of the low temperatures, the writer concludes that climate change cannot possibly be occurring. What question should you ask the writer to clarify whether his stance on climate change is scientifically sound?

ADid the snowstorms cause extensive damage?

BWas this the coldest month on record for this region?

CWere the snowfall totals of each storm larger or smaller than last year?

DWere long-term temperature changes investigated in addition to short-term change?