Normal pH of rainwater is 5.6 due to the presence of CO2 in the atmosphere. Health impact of the most common is the ARI (acute respiratory infection), including, asthma, bronchitis, and other respiratory disorders. Of the lungs, pollutants are absorbed by the circulatory system and spread throughout the body. Large particulates can be retained in the upper respiratory tract, whereas small-sized particulates and gases can reach the lungs. Away penetration of contaminants into the body depending on the type of pollutant. Substances contained in air pollutants can enter the body through the respiratory system. Nitrification and denitrification biological Exhaust gas factory that produces harmful gases Burning (fireplaces, stoves, furnaces, incinerators with different types of fuels) Secondary pollutant is a pollutant substance formed from the reaction of primary pollutants in the atmosphere. Carbon monoxide is an example of primary air pollutants because it is the result of arson. Primary pollutants are substances directly arising from pollutant sources of air pollution. Air pollution can cause air pollution impact is direct and local, regional, and global or indirectly in a long time.ДЄir pollutants pollutants can be divided into primary and secondary pollutants. Many factors can cause air pollution such as pollution caused by natural sources and human activity or a combination of both. The nature of air pollution impacts may be direct and local, regional, and global levels. Air pollution can be caused by natural sources and human activities. The following are the types of environmental pollution:ДЄir pollution is the presence of one or more substances physics, chemistry, or biology in atmospheric quantities that could endanger human health, animals, and plants, interfere with the aesthetics and comfort, or property damage. The city is densely populated, the air will feel warm and breathing becomes uncomfortable. This suggests that the village has not been polluted air. Just as an example, the air in the village feels fresh because many overgrown with green trees. While the natural environment has a balanced ecosystem. Polluted environment, the state of the ecosystem out of balance due to the entry of pollutants into the environment. A substance can be considered as pollutants if foreign material or substance that exceeds the normal amount, are in place and should not be at the most inopportune times. The changes are caused by a contaminant called pollutants. Environmental pollution is a change in the environment that are not desired because it can affect the activities, health and safety of living beings.

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