A. Many droughts indicated in the cross-sections of stalactites do not correspond with the collapse of a society in thatarea.
It is ,"often" in the passage, so the argument doesn't exclude other potential causes.
B. Information from the cross-sections of stalactites alone cannot reveal the level of agricultural output in an area at a particulartime.
Hypothesis is about adequate availability of goods to sustain society well-being.
C. Most of the societies that collapsed during droughts
...
It is ,"often" in the passage, so the argument doesn't exclude other potential causes.
B. Information from the cross-sections of stalactites alone cannot reveal the level of agricultural output in an area at a particulartime.
Hypothesis is about adequate availability of goods to sustain society well-being.
C. Most of the societies that collapsed during droughts
...






