00558nam a2200193Ia 450000500170000000800410001702000180005804100120007608200150008810000170010324500760012025000130019626000470020930000210025665000130027765000270029065000260031770000210034320260429112212.0260429s9999||||xx |||||||||||||| ||und||  a9781260091649  aEnglish  a363.7bENG  aEnger, Eldon 0aEnvironmental science : ba study of interrelationships / cEldon Enger  a15th ed.  aNew York : bMcGraw-Hill Education,c2019.  axxi, 516 p.; pbk  a Ecology  a Environmental studies  aEnvironmental science  a Smith, Bradley