Modern Geologists Estimate That the Age of Earth Is About

question 7

Multiple Choice

Modern geologists estimate that the age of Earth is about:

• A)4,500 years.
• B)450,000 years.
• C)4)5 million years.
• D)4)5 billion years.
• E)4)5 trillion years.

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Definitions:

NMR

Nuclear Magnetic Resonance, a technique used to observe the local magnetic fields around atomic nuclei, providing detailed information about the structure, dynamics, reaction state, and chemical environment of molecules.

IR

Infrared spectroscopy, a technique used to identify and study chemicals by analyzing their infrared light absorption patterns.

Broad

Descriptive of something with a wide scope, extent, or range; may refer to concepts or physical objects that cover a large area or numerous subjects.

Triplet

A term used in quantum mechanics and spectroscopy to describe a system or state with three closely related energy levels, or a spin state of a molecule in which two unpaired electrons have parallel spins.