A source of evidence for reconstructing past climates is

Question

Quizplus · Accepted Answer

Oxygen isotope ratios can provide information on past temperatures, precipitation patterns, and ice volume. This is because the 16O and 18O isotopes of oxygen are fractionated differently during processes such as evaporation and precipitation, and the ratio of these isotopes in various materials (such as ice cores or marine sediments) can provide information about past climatic conditions. Carbon and nitrogen isotopes may also be useful in some cases, but they are typically used to study ecological or biogeochemical processes rather than climate change specifically. Strontium levels and aDNA are not generally used as evidence for past climates.

A Source of Evidence for Reconstructing Past Climates Is