

MCQOPTIONS
Saved Bookmarks
1. |
Until the current warming trend exceeds the range of normal climatic fluctuations, there will be, among scientists, considerable__the possibility that increasing levels of atmospheric CO2 can cause long - term warming effects. |
A. | Interest in |
B. | Uncertainty about |
C. | Enthusiasm |
D. | Worry about |
Answer» C. Enthusiasm | |