Definition of Physical Barriers. Physical barrier is the environmental and natural condition that act as a barrier in communication in sending message from sender to receiver. Organizational environment or interior workspace design problems, technological problems and noise are the parts of physical barriers.
Nitrate: Health Effects in Drinking Water. Nitrate is one of the most common groundwater contaminants in rural areas. It is regulated in drinking water primarily because excess levels can cause methemoglobinemia, or blue baby disease.
cauliflower, collard greens and root vegetables. The human body can convert nitrate into nitrite. How can people be exposed to nitrate and nitrite? You could be exposed to nitrate and/or nitrite through: Drinking water containing nitrates. Wells with high levels of nitrates can contribute to significant exposure. This is of particular concern for households with infants consuming formula prepared with this water. Eating