Shit is the residue of the dog's large intestine. A quarter of the feces is water, and most of the rest are protein, inorganic substances, fat, undigested dietary fiber, dehydrated digestive juice residue, intestinal exfoliated cells and dead bacteria, and vitamins K and B. ..

Since you can pick up the shit and throw it away, it proves that the shit should be dry. After being thrown out, it depends on the composition of water and the density of stool at this time. If the water is turbid and the salt is heavy, the stool will float for a few minutes. If the water is clean and the stool is dry and not dry enough, it will generally dissolve in the water within 2~3 minutes.