A substance composed of lipoprotein that is secreted by the alveolar cells of the lung and serves to maintain the stability of pulmonary tissue by reducing the surface tension of fluids that coat the lung. In another context, a surfactant is the ingredient in soap or detergent that can break the surface tension of water, making it possible to get things much cleaner than just dunking them in water would. improved answer, surfactant is any compound which is used as surface sterilizing agents, or in other words.. they are disinfectants used for removing the microbes present in the surface. some surfactants are phenol - which is the first used disinfectant, ethanol - 70% concentration is used in most of the laboratories, dettol - a readymade surfactant, formaldehyde - too an effective surfactant.
I don't know
None. Distributaries usually only occur near the mouth of a river at the sea were deltas form. The Missouri flows into the Mississippi River.
what the difference between human cycles and plants?
the human insistance on cutting them down to use the wood or turn them to a would be agriculture land