GEF

Unit 2  |  Water Science and the Water Cycle 65 7. What is the definition of precipitation? a. Change of matter from a liquid to a gas b. Change of matter from a gas to a liquid c. Water falling from the atmosphere d. Loss of water from surfaces of plants 8. Erosion is the removal of what by wind or water? a. Soil b. Snow c. Water pollution d. Pesticides 9. Urbanization is: a. Lower water quality in urban water b. Part of the water cycle c. Mining technique using explosives d. Development of cities 10. What type of life is affected by a dead zone? a. Human life b. Marine life c. Plant life d. The Earth