G(present surface) youngest oldest figure 12-6 for problem 1, determine the relative ages of the lettered geologic features illustrated in this cross section, and list them chronologically in the spaces provided. d (dark line) is a fault, and g is the present surface.

Afarmer who is grown corn for the past five years notices in the sixth year that the his harvest is significantly smaller, despite an increase in labor on the farm. the following year, the harvest continue to decline. which of the following explanations most plausibly accounts for the reduction in corn yield? a) soil degradation b) desalinization c) better irrigationd) terracing