Why Are Meteorites Used to Establish an Age for the Earth

question 46

Multiple Choice

Why are meteorites used to establish an age for the Earth?

• A) They are believed to be the same material from which Earth formed
• B) They are not radiogenic so they do not decay over time
• C) Rocks on Earth have been recycled since the Earth was formed and are not believed to be as old as the Earth itself
• D) They are believed to be the same material from which Earth formed and rocks on Earth have been recycled since the Earth was formed and are not believed to be as old as the Earth itself
• E) All of these are correct.

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Definitions:

Specificity Theory

The proposal that different sensory qualities are signaled by different quality-specific neurons. This theory is correct in only a few cases (e.g., pain).

Sensation

The process by which sensory receptors and the nervous system receive and represent stimulus energies from the environment.

Neurons

The basic working units of the brain, specialized cells designed to transmit information to other nerve cells, muscle, or gland cells.

Signal-Detection Experiment

A methodology in psychology that measures the ability to differentiate between information-bearing patterns and random patterns that distract from the information.