What diseases were there in the trench in World War 1? Trenche foot was very common in the trench warfare. caused from wet feet and not being able to change their socks and boots. Edit
Repels Sharks No.........human urine actually repells sharks and other fish.
How do sharks smell blood in the water? they can't really see in the water. But think of it like this , let's say if you were blind folded and you were pretending that you were a shark. and you sat a plate of pizza â¦on the table you can smell that pizza like a shark can smell blood. Making the world better, one answer at a time. they can't really see in the water. But think of it like this , let's say if you were blind folded and you were pretending that you were a shark. and you sat a plate of pizza â¦on the table you can smell that pizza like a shark can smell blood.