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.
What is particle pollution? particles can aggravate these diseases. People with dia- ic bronchitisâand even premature death. tions, shortness of breath, or unusual fatigue may indi cate a serious problem. If you have any of these symp-Particle pollution is a mixture of microscopic solids betes also may be at increased risk, possibly because