Examlex
Sexually transmitted viral diseases are _____
Geologic Times
A system of chronological dating that relates geological strata to time, used to describe the timing and relationships between events that have occurred throughout Earth's history.
First Land Plants
Early plants that began to colonize the land over 470 million years ago, evolving adaptations to survive in terrestrial environments.
Radiometric Dating
Radiometric dating is a technique used to date materials such as rocks or carbon, by determining the relative proportions of particular radioactive isotopes present in the sample.
Isotope Decays
The process by which an unstable atomic nucleus loses energy by emitting radiation, leading to a change in its atomic number or mass.
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