II. Direction: Put a ( / ) on the ways to prevent soil erosion and (X) if it causes soil erosion. _1. Overgrazing of animals. _2. Riprapping the riverside and constructing seawall. _3. Quarrying _4. Deforestation _5. Overcropping _6. Contour Plowing _7. Illegal Logging _8. Terracing _9. Kaingin System _10. Reforestation