Title: Unit 8 Quiz
Course: HRT 135 Soils and Fertilizers > Section: HRT 135 Soils and Fertilizers

Q: What is meant by hydrologic cycle?

Q: What percentage of earth’s surface is covered by water?

Q: What percentage of water on earth’s surface supports our biosphere?

Q: Explain evapotranspiration.

Q: How does the world’s water resource remain constant?

Q: What is the difference between “runoff” water and “infiltration” water?

Q: What role does the root system play in preventing soil erosion?

Q: How does evapotranspiration help in the formation of clouds and precipitation?

Q: Name four physical processes that enable the movement of water from one reservoir to another.

Q: Briefly describe the role of transpiration in the water cycle with destruction of tropical rain forests as an example.