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Definition
Control center of the cell
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Definition
Supplies the energy to the cell
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Definition
Semi-permeable substance allowing materials in and out of cell
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Definition
| Part of plant cell where photosynthesis occurs |
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Definition
Record of geologic events and life forms in Earth's History |
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Definition
| Rule stating that the oldest layer of rock will always be the oldest rock |
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Definition
Method where geologists use radioactive dating to determine rock's age (ex. carbon-14 and uranium-238) |
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Term
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Definition
Method where geologists compare different rock layers to determine a rock's age |
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