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Chapter 4: Section 1: Inside the Earth. The Earth is made of different layers which are described by their Composition and Physical properties.
1.What is the half-life of Carbon? 2. The element chaparralium has a half-life of 24,000 years. If a fossil contains 25% of the original amount of chaparralium,
Earth Science Standards 3.a - Students know features of the ocean floor (magnetic patterns, age, and sea-floor topography) provide evidence of plate tectonics.