Please answer fast 1. How is beaver dam construction unique? How is this technique vital to dam integrity?   2.  Why do beavers need ponds? List the three components of the beavers’ world.   3.How did beavers alter the wetlands of Magnusson Park in Seattle, Washington? Be specific about direct impacts on water flow and indirect impacts on other wildlife.

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Environmental health and hazards

An organism's environment is the environment in which it lives and has an impact on its well-being. The World Health Organization (WHO) defines environmental health as "those aspects of public health, such as quality of life, that are influenced by physical, chemical, biological, social, and psychosocial components in the environment." Environmental health is concerned with both natural and man-made settings in order to enhance public health. Environmental science, occupational medicine, toxicology, and epidemiology are the key subdisciplines of environmental health.