what are the Answer to the following study questions thoroughly in a minimum of one paragraph

 

 

  1. Chapter 1: Study Question 4 (on page 20 of your text)
  2. Chapter 2: Study Question 9 (on page 39 of your text)
  3. Chapter 4: Study Questions 3, 7, and 9 (on page 78 of your text)

textbook – Botkin, D. B., & Keller, E. A. (2011). Environmental science: Earth as a living planet (8th ed.). New Jersey: John Wiley & Sons, Inc.