INTRODUCTION


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INTRODUCTION
1010810INTRODUCTION
<emphasis role="italic"><emphasis role="bold">THE ENVIRONMENT</emphasis></emphasis> Our environment consists of physical, chemical, and biological substances, which interact so that the physical and chemical substances support the biological substances and allow them to experience sustainable growth. At the present level of human advancement, mankind is able to negatively and positively influence the balance of these substances, thereby affecting the health of the environment.
Citation
E. Roberts Alley: Water Quality Control Handbook, Second Edition. INTRODUCTION, Chapter (McGraw-Hill Professional, 2007 2000), AccessEngineering Export