24. Which of the following human activities can lead to the destruction of the environment? a. deforestation b. mountain-blasting c. quarrying d. all of these 25. What is the best way to prevent soil erosion? a. re-planting trees C. cutting down trees b. constructing a wall around a denuded area d. weathering 26. The following are practices that can help control soil erosion except a. natural vegetation c. crop rotation b. sedimentation d. strip cropping 27. What will happen to the rocks when exposed to higher temperature? a expands b. contracts c. evaporates d. sink 28. The following are human activities that contributes to the weathering of rocks except a. construction of roads and buildings c. watering the plants b. logging d. mining 29. Planting crops in a different spot each year. a. crop rotation b.terracing c. riprapping d. reforestation 30. The factors that affects soil erosion. a. water b. wind c. animals d. all of these​