70. Define the term "particles" in the context of air or water. What is the typical size range of particles? How does this compare to individual molecules, and to the width of a human hair? 71. Describe two natural sources of particles in air, and two sources that are derived from human activities. 72. Besides advection, what are the two main ways by which particles move about? Describe how each depends on particle diameter.
70. Define the term "particles" in the context of air or water. What is the typical size range of particles? How does this compare to individual molecules, and to the width of a human hair? 71. Describe two natural sources of particles in air, and two sources that are derived from human activities. 72. Besides advection, what are the two main ways by which particles move about? Describe how each depends on particle diameter.
Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Chapter2: Life, Chemistry, And Water
Section: Chapter Questions
Problem 1TYK: Which of the following statements about the mass number of an atom is incorrect? a. It has a unit...
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