Organic matter degradationExplores the composition and decomposition of organic matter in soils, highlighting the crucial role of microorganisms and the formation of humus.
Curvature and Inflection PointsExplores curvature, inflection points, and angular functions in plane curves, highlighting the importance of inflection points.
Organic matter degradationExplores the degradation of organic matter, the role of microorganisms, and the formation of humic substances in soils.
Hyperbolic GeometryIntroduces hyperbolic geometry, covering complete metric spaces, isometries, and Gaussian curvature in dimension 2.