Cow dung is the waste product of bovine animal species such has domestic cattle cows, buffalo and yaks. The resultant faecal matter is rich in minerals. Cow dung provides food for a wide range of animal and fungus species, which break it down and recycle it into the food chain and into the soil. It has an important function in maintaining biodiversity in heavily utilized pasture. Its also a plentiful and renewable resource. Which of the following, if true, would weakens the argument on why cow dung is important? Correct Answer Cow dung paste is often applied to the floors of rural homes in India . Option 4 is the correct option as only that argument does not talk about why cow dung is important. It just tells that they are applied on the floors but does not show its importance there, hence is invalid. Other 4 arguments shows the importance of cow dungs. It is used as a fertilizer as it contains minerals, used to produce biogas and insect repellent and such.