Competency in science: A general comprehensive review of life, earth and physical sciences, including process skills and technology (N & N science series) Paperback – January 1, 1995 by Herbert G Koenig 
 
The Competency in Science N&N Science Series by Koenig DeMarco-Keating Lansing is a comprehensive guide designed to help students develop core competencies in the field of science. The book covers a wide range of topics including biology, chemistry, physics, and earth science, providing a well-rounded education in the sciences. With clear explanations and illustrative examples, this book is an invaluable resource for both students and educators. The interactive exercises and activities also allow for hands-on learning and application of concepts. Whether used in the classroom or for self-study, the Competency in Science N&N Science Series is an essential tool for mastering the fundamentals of science.
 
7.14