1. all of the following are causes of desertification except (2 points) one hot, dry summer long, sustained climate shifts growing populations that use natural resources poor farming techniques 2. one of the primary components of fertilizer is which can be harmful if it gets in drinking water. (2 points) cow pies nitrogen potassium table salt 3. all of the following are generally human causes of deforestation except (2 points) creation of pasture for cattle logging urban use forest fires 4. in which type of urban area would you expect the warmest temperature? (2 points) large city with high density of buildings and roads small town with dirt roads and wood buildings medium-sized city with high density of buildings and roads suburbs of a large city 5. all of the following are advantages of dams except. (2 points) enhancing natural spawning patterns of fish recreation hydroelectric power flood control 6. desertification (2 points) will typically increase the amount of erosion in an area decreases the amount of salt in the soil increases the ability of the land to support life does not have any effect on the level of vegetation 7. urbanization is the cause of "urban heat island" a condition that could be described as (2 points) increase of temperature in a city due to heat absorption of buildings and roads global warming caused by pollutants of a city warming of a city near mountains due to lava under the ground warming of water that is next to a city 8. rerouting a river would have no effect on which group? (2 points) migratory herds that drink from the waters farmers that live upstream a population of people that live downstream a population of fish that lives downstream 9. water pollution can be caused by all of the following except (2 points) mining excessive fertilization rerouting a river urbanization 10. which of the following is not an effect of deforestation? (2 points) less carbon dioxide exchange enhanced natural beauty increased erosion destruction of natural habitat