The current empirical evidence indicates that
A) changes in the earth's cloud cover will clearly enhance the warming effects of carbon dioxide.
B) the increase in carbon dioxide, over thousands of years, is definitely the cause of global warming.
C) if global warming continues as most models predict, then in the next 100 years the sea levels clearly will rise by more than 10 feet.
D) none of the above is true.

Question

Quizplus · Accepted Answer

Current empirical evidence does not definitively support any of the statements A, B, or C. The effects of cloud cover on warming are complex and not fully understood, the role of carbon dioxide in historical climate changes is supported but not definitively proven as the sole cause, and predictions about sea level rise vary with significant uncertainty.

The Current Empirical Evidence Indicates That