Unit 4 Application
ATTENTION: THE DATE OF QUIZ #4 AND THE FINAL QUIZ (MAKE-UP QUIZ) WAS INCORRECT ON THE SYLLABUS. THE CORRECT DATE IS MONDAY, DECEMBER 8, 2003 AT 10:15AM.
Due Monday, December 1 by midnight.
5 Points
Problem Statement: Humans use and affect natural resources. The human population is growing and its impact on natural resources is increasing. The figure below shows simplified connections between humans and a few natural resources.

Observations: Explain, in one sentence each, the numbered connections. (3 points)
Extension: Explain how can humans make these connections more sustainable. (2 points)
Please submit your assignment by e-mail to maserj@pdx.edu and put ESR 101 as the subject.