ESC answer.docx - ESC-1000 Student Robert Porter...

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ESC-1000 Student Robert Porter Assignment #5 Instructor: Andy Acosta Due at end of finals week via email. 1. When does a cone of depression form? A. When withdrawal equals recharge B. When withdrawal is less than recharge C. When withdrawal exceeds recharge 2. Which condition may result in surface subsidence? A. Withdrawal equals recharge B. Withdrawal is less than recharge C. Withdrawal exceeds recharge Determine whether the following scenario is an example of a point or non-point source of pollution. 3. A farmer places nitrogen-based fertilizers and approved pesticides on their fields to improve crop yields. Some of this ends up in surrounding streams and groundwater. A. Point source B. Non-point source 4. You come home one day to find that your neighbor is getting a new septic tank installed because the previous one was leaking. A. Point source B. Non-point source 5. Thousands of pounds of road salt, applied during the winter, is dissolved and leached into the surrounding water table during the spring melt each year. A. Point source B. Non-point source 6. Federal laws protect wetlands from being destroyed during development. Builders are required to replace any wetlands they propose to fill in with another equivalent (or better) wetland elsewhere. Suppose a developer fills in a wetland upstream from where you live and relocates it out of the local drainage basin. What would happen to runoff in the stream near your house? A. Runoff would decrease B. Runoff would increase C. Runoff would not change Page 1 of 7 ESC-1000 Student Assignment #5 Instructor: Andy Acosta Due at end of finals week via email. True / False Questions

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7. Porosity is the ability of a material to store water. TRUE or FALSE 8. Permeability is a measure of porosity. TRUE or FALSE Name:___________________ 9. If rock A has greater porosity than rock B, rock B will hold more water than rock A.
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• Fall '08
• Staff
• Astronomy, Atmosphere, Atlantic Ocean, United Nations Convention on the Law of the Sea, Continental shelf, Andy Acosta

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