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Documentation of past weather conditions is limited: our main sources of knowledge of conditions in the distant past are (18) and (19) We can deduce that the Little Ice Age was a time of (20) rather than of consistent freezing. Within it there were some periods of very cold winters, others of (21) and heavy rain, and yet others that saw (22) with no rain at all.
A climatic shifts
B ice cores
C tree rings
D glaciers
E interactions
F weather observations
G heat waves
H storms
I written accounts
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