![]() ![]() The scale of disturbance ranges from the molecular and cellular to individuals, populations, ecosystems, and regional and global levels. ![]() Humans are altering their own life-support systems-–the air, the water and soil. Often these problems are represented by disturbances in the functioning of natural systems. The knowledge of how natural systems work is applied to solving problems largely created by human activities. Environmental Science draws on basic knowledge of the physical, chemical, biological and quantitative aspects of natural systems. ![]()
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