What Is the Definition of a Half-Life

question 2

Multiple Choice

What is the definition of a half-life?

• A)The parent isotope half of a radiometric dating pair
• B)Half the time it takes for the parent isotope to decay to the daughter
• C)The time it takes for half of the parent isotope to decay to the daughter
• D)Half of the alpha particles necessary to decay at a steady rate

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Definitions:

Ocean Floor

The bottom surface of an ocean basin, consisting of various geological features including trenches, volcanoes, and flat plains.

Cross Section

A diagram or model that shows a vertical slice through structures or materials, revealing internal features.

Oceanic Plateau

Large, elevated areas of the seafloor, characterized by thick crusts and often formed by volcanic activity or mantle plumes.

Seafloor Spreading

The process by which new oceanic crust is formed at mid-ocean ridges and slowly moves away from the ridge, creating new seafloor.