Various kinds of pollution

Pollution characterized by the presence of pollutants in the environment of excessive so detrimental to health or human activity. Pollutants can be chemicals, waste or even living creatures that cause diseases such as bacteria, viruses or protozoa group. The emergence of these contaminants can occur naturally or as a result of human activities in order to meet all their needs.

Various kinds of pollution
1. water pollution
Occurs when the water contained contaminants that reduce the quality or water quality so that water can not be used as needed.
Terms of potable water used prior to eating or drinking are:
- No color
- No taste
- No smell
- Does not contain hazardous substances or materials.

When the water is all around us already do not have one or more conditions, the water is already polluted.

Causes of water pollution include:
a. waste, either from home or from industry
b. runoff from fertilizers or pesticides from agricultural areas
c. manure or even human.

2. air pollution
Marked by the presence of several chemicals as contaminants in amounts that interfere with humans, animals and plants.
These chemicals can come from motor vehicle exhaust fumes, factory or arson.
Perceived interference due to air pollution such as eye irritation, difficulty breathing. While the plants may be stunted.

3. soil pollution
Soil contamination is strongly associated with water and air pollution. Surface water (rivers, lakes) that can be entered into the contaminated soil. Similarly, air pollution, pencemarnya ingredients together with rain water will go into the ground.
Other materials that can pollute the soil is rubbish, especially plastic, or the rest of the bottle shards of pottery.