They provide a good balance between the size and shape of land areas.
Answer:
Deforestation and agricultural pollution
Explanation:
Rising population densities and the consequent demand for arable land gave rise to serious soil erosion, deforestation due to the need for firewood, and depletion of soil nutrients.
Answer: a. Evaporation, b. Condensation c. precipitation d. groundwater
Explanation:
Without it, everyone would have to provide their own food and shelter.