How does a time line identify dates before the Common Era (BCE)? The dates are evenly spaced. The dates are only estimates. The dates are like negative numbers. The dates are placed in chronological order.

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste