NECTA Form 1–4 (CSEE) · Form 3 · Geography (Form 3) · Notes · Unit 1: Structure of the Earth, Rocks, and Soil – Revision Notes
Comprehensive revision notes on Earth's concentric interior layers (Crust, Mantle, Core), seismic discontinuities, classification of rocks (Igneous, Sedimentary, Metamorphic), the Rock Cycle, pedogenesis, and soil profile horizons.
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