The Current Empirical Evidence Indicates That

Multiple Choice

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.