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9. DENEME Ortaöğretim Genel Müdürlüğü YDT DENEMELERİ

33. Which could be understood from the passage?
32. - 34. soruları aşağıdaki parçaya göre cevaplayınız.
A) Ice core data has been instrumental in explaining
specific historical events, such as the end of
The study of ancient climate change has become
Norse settlements in Greenland during a particular
increasingly sophisticated in recent years, shedding light climatic period.
on past human adaptations and potential future scenarios.
One particularly powerful tool in this field is the analysis of B) The analysis of ice cores has provided more
ice cores extracted from polar ice sheets and reliable information about past climate conditions
high-altitude glaciers. These cores contain trapped air than any other method of climate research.
bubbles and impurities that offer a detailed record of
atmospheric conditions stretching back hundreds of C) The study of ancient climate records has revealed
thousands of years. By examining the ratios of different that environmental changes were the primary cause
oxygen isotopes in the ice, scientists can reconstruct past of all dramatic societal shifts throughout history.
temperatures with an impressive degree of precision. D) The precision of temperature reconstruction from
Similarly, the presence of dust, volcanic ash, and other ice cores has made it possible to predict future
fine particles in the ice layers supplies information climate patterns with a high degree of accuracy.
about past atmospheric circulation patterns and major
geological events. This climatic data has been crucial E) The presence of volcanic ash in ice cores is mainly
in understanding how past societies responded to used to determine the frequency of massive
environmental changes. For instance, ice core data has volcanic eruptions rather than to understand
helped explain the collapse of the Norse settlements in atmospheric circulation patterns.
Greenland during the Little Ice Age and presented context
for the rise and fall of many other civilisations in history.
As concerns about modern climate change grow, these
ancient records provide a valuable historical perspective
on the resilience and vulnerability of human societies in
the face of environmental shifts.

34. Which of the following questions is mainly
32. What can be said about the method used in answered by the passage?
studying ancient climates?
A) What specific chemical processes are involved in
A) The study of ice cores consistently provides analysing oxygen isotopes and fine particles in ice
inaccurate information about temperature changes. layers?
B) Ice cores are the only reliable source for B) What are the potential future scenarios of climate
reconstructing past climate conditions. change based on ice core data?
C) Ice core data is primarily used to predict future C) How does the study of ice cores contribute to our
climate patterns and major geological events. understanding of ancient climates and human
adaptations?
D) The extraction of ice cores is a simple process that
can be done anywhere on Earth. D) How do scientists extract ice cores from polar ice
sheets and high-altitude glaciers?
E) Scientists can analyse both the chemical
composition and physical characteristics of ice E) Which civilisation’s collapse was most significantly
layers. influenced by climate change?

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