ERD vs DFD ERD and DFD are data presentation models that help in identifying the flow of data as well as inputs and outputs. They are important as they enable Home
HEALTH EFFECTS. People with heart or lung diseases, older adults and children are most likely to be affected by particle pollution exposure. However, even if you are healthy, you may feel temporary symptoms if you are exposed to high levels of particle pollution.
Transcript of Environmental Impacts of Smelting. Emissions from older smelters emitted toxic oxides of metals causing arsenic poisoning, cadmium which is responsible for heart disease, and mercury which is responsible for nerve damage. The mining sector is known to be a major cause of pollution in the environment. Slag, as defined by Google is a stony waste matter separated from metals during the smelting or refining of ore. This slag is emitted into the air, causing pollution. The vast majority of pollution is caused from the air emissions from smelting. Some air pollutants include sulfur dioxide and nitrogen oxide.