Why is the use of proxy data necessary when studying past climate change?
A)Modern recording instruments are skewed by pollutants in the atmosphere
B)Modern data has been biased by religious influence or political ideologies
C)Instrumental records only go back a couple of centuries and are more incomplete the older they are
D)Geological and atmospheric changes occurring at the time work differently than today

Question

Quizplus · Accepted Answer

Instrumental records only provide a couple of centuries of data and are more incomplete the further back in time we look, whereas proxy data can provide information that extends thousands or even millions of years into the past.

Why Is the Use of Proxy Data Necessary When Studying