This same natural process becomes a nuisance aka body odour, when perspiration/sweat encounters bacteria on the skin. Dr Pai insists, sweat itself does not smell, but coupled with the dead skin cells, it provides a medium for the bacteria to grow. This bacteria, breaks down the sweat causing unpleasant body odour..
Abiotic Factors: : are non-living physical and chemical elements of an environment. These factors are important for the survival of the organisms of that environment. (See biotic factors. ).
Abiotic factors are the conditions or objects that affect the ecosystem and living organisms of the lake. One of the most important abiotic factors is the sun, which provides light and heat. The light helps sustain photosynthesis in phytoplanktons and aquatic plants.