What are the sources of environmental pollution and give them a description.

Sources of environmental pollution are divided into:
• mechanical (dust particles in the atmosphere, solid particles and various objects in water and soil);
• chemical (gaseous, liquid, and solid chemical compounds and elements that enter the biosphere and interact with environmental components);
• physical (heat, vibration, ultrasound, visible, infrared and ultraviolet parts of the spectrum, light energy, electromagnetic fields, ionizing radiation);
• biological (species of organisms that appeared with the participation of man and harm him and living nature).
The main damage to the environment is caused by emissions of harmful substances into the atmosphere, waste water discharge and the accumulation of solid waste. Most often, environmental pollution are toxic (poisonous).

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