Radience

Earth's History

What is Continental Drift?

continental drift Simple Definition

What is the Geologic Time Scale?

geologic time scale Simple Definition

What is Half-Life?

half-life Simple Definition

What is an Index Fossil?

index fossil Simple Definition

What is the Law of Superposition?

law of superposition Simple Definition

What is Plate Tectonics?

plate tectonics Simple Definition

What is Radioactive Decay?

radioactive decay Simple Definition

What is Relative Age?

relative age Simple Definition

What is Relative Dating?

relative dating Simple Definition

What is Sedimentary Rock?

sedimentary rock Simple Definition

What is a Trace Fossil?

trace fossil Simple Definition

What is Uniformitarianism?

uniformitarianism Simple Definition

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