volcanisme (1) Amérique du Sud (1) spectacle (1) modèle (1) débit (1) évolution (1) décomposition (1) Afrique (1) Amérique du Sud (1) Afrique (1) Plate (1) Aspect (1) Balances (Weighing instruments) (1) Volcanism (1) South America (1) Plate (1) Orogeny (1) Nature (1) Motion (1) Adjustable rate mortgages (1) Insight (1) Example (1) Evolution (1) Evidence (1) Equilibrium (1) Driving of horse-drawn vehicles (1) Convergence (1) Andes (1) Africa (1) Universe (1)