Respuesta :
Answer:
rocks, sediments, boreholes, ice sheets, tree rings, corals, shells, and microfossils.
Explanation:
Answer:
These tools include sediment cores, ocean cores, ice cores, geologic features and stratigraphy, cave deposits (speleothems), tree rings (dendrochronology), and fossil coral. Each of these different tools contains useful proxies, which provide clues about different aspects of past climates.
Explanation:
