List two human activities that affect land resources, and explain the changes that can result. Do the same for air and water resources.
A) Land: Urbanization (loss of natural habitats), Agriculture (soil erosion)
Air: Industrial emissions (air pollution), Deforestation (loss of carbon sinks)
Water: Industrial runoff (water pollution), Dam construction (alteration of aquatic ecosystems)
B) Land: Mining (land degradation), Urbanization (increased impervious surfaces)
Air: Deforestation (reduced oxygen production), Agricultural burning (air pollution)
Water: Industrial wastewater discharge (contamination), Urban runoff (stormwater pollution)
C) Land: Deforestation (loss of biodiversity), Urbanization (heat island effect)
Air: Fossil fuel combustion (greenhouse gas emissions), Agricultural practices (ozone depletion)
Water: Agricultural runoff (nutrient pollution), Oil spills (marine pollution)
D) Land: Urbanization (habitat fragmentation), Industrial activities (land contamination)
Air: Vehicle emissions (air pollution), Forest fires (smog formation)
Water: Agricultural runoff (eutrophication), Urban sewage discharge (water contami