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Earth and climate.

Explore Earth’s structure, climate, and its changes through explanations, indicators, and authoritative scientific sources.

Knowledge base

Difference between a temperature and a reference for the same type of period.

Time interval used to construct a comparison baseline.

Earth’s outer layer in the classification by composition.

Region between the crust and core, composed mostly of solid rock.

Central metallic region with a liquid outer part and a solid inner part.

Mechanically rigid layer that includes the crust and part of the upper mantle.