How does diffusion impact the toxicity of an environment?

The toxic materials or substances can poison people and other life, they can cause illness and even death if swallowed or absorbed through the skin, where the pesticides, the weed killers, and many household cleaners are toxic, they occur as a result of a variety of human activities.

The industries and the sewage treatment plants discharge the wastes which contain the toxic substances directly into the waterways, These direct pipeline discharges are called the point sources.

The fuel combustion from means of transports and the power plants contain numerous chemicals that drift in the atmosphere and rain down upon or absorb into the surface of the ocean and other bodies of water.