B uses radiation so I would assume it would be the one using x rays
Seismic waves are waves of energy that travel through the Earth's layers, and are a result of earthquakes, volcanic eruptions
Stores lining cuts off unused time
Indigestable food moves from the small intestine to the large intestine where water is absorbed back into the body. The waste is then passed through the rectum and excreted from the anus.
I would say the large intestine.
