The most severely affected group will be that of the small children. The children are more prone to the toxic chemical hazard of the neighborhood. The small children are unaware of the harmful effects of the toxins and are always inquisitive about new things. This makes them susceptible to the damage from the toxic chemicals as there are chances that they may swallow or touch these chemicals.
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A food web is a detailed description of the species within a community and their relationships with each other; it shows how energy is transferred up food chains that are interlinked with other food chains.
Hypoxia or anemia stimulate the production of red blood cell by stimulating the kidney to produce erthropoietin which increases the production of red blood cells. The erythropoietin increase the rate of red blood cells division and differentiation of specific cell in bone marrow.
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Infectious diseases.Infectious disease in the nervous system can have very serious effects on the body's functioning and movement. Especially when this goes on for many months. Two types are bacterial and viral infection.Thank you for your question. Please don't hesitate to ask in Brainly your queries.