Which of the following describes the relative age of someone or something (A) Kaitlyn is younger than Dillon. (B) Dillon is 13 years old (C) The trilobite is an index fossil. (D) The trilobite appeared 521 million years ago.
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The Deep Dive
Kaitlyn and Dillon's age comparison gives us a clear understanding of relative age, as it directly relates one person's age to another's without specifying their exact ages. This type of comparison allows for a framework to understand age dynamics in human relationships, making it a practical way to present age in everyday conversations. Moreover, using index fossils like trilobites helps geologists date rock layers and understand the relative age of fossils within them. They serve as markers for specific time periods in Earth's history, providing a way to organize and compare different fossils from different geological times. It's like reading nature's storybook to unlock Earth’s ancient secrets!