ISOTOPE GEOCHEMISTRY: radiometric dating, climate studies, carbon isotopes, tracing reading comprehension passages. How can tiny atomic variations reveal Earth’s deepest secrets? Isotope geochemistry studies how isotopes trace geological, environmental, and climatic processes through time. It’s the science behind dating rocks, tracking carbon, and uncovering the planet’s hidden history. This digital resource features Read Aloud Audio, Self-Marking Multiple Choice Questions, Critical Thinking Ch