Global temperature trends can be reconstructed from proxy records such as_______________and____________ .
A)lake sediments;gases trapped in glacial ice cores
B)the frequency of volcanic eruptions;gases trapped in glacial ice cores
C)the frequency of volcanic eruptions;fossils
D)fossils;sea level records

Question

Quizplus · Accepted Answer

Lake sediments and gases trapped in glacial ice cores are two important proxy records that allow for the reconstruction of global temperature trends. Lake sediments contain organic matter that can provide information on past temperatures, while gases trapped in glacial ice cores can provide information on the composition of the atmosphere at different points in time, including temperature. Other options such as volcanic eruptions, fossils, and sea level records may provide information on other aspects of earth's history, but they do not directly provide information on temperature trends.

Global Temperature Trends Can Be Reconstructed from Proxy Records Such