Sediment Core
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Sediment Core:
Imagine trying to remember what you had for lunch every day over the past month. Just as your memory holds clues to your recent meals, a sediment core holds clues to Earth's past environments. Each layer of the sediment core is like a day in your memory, capturing a snapshot of conditions at that time, allowing scientists to 'read' the history of the Earth much like you might recall your meals by thinking back to those specific days.
Practice Version
Sediment Core: A section of a naturally-occurring substance, such as sediment or rock. Sediment core. A sediment core is a cylindrical sample taken from the ground to study layers of soil, rock, or ice and learn about Earth's history.