Which of the following is a groove in the land that carries runoff after a storm? coastline gully oxbow lake stream

Is is a gully. An oxbow lake is when a meander in a river gets cut of due to erosion. A coastline is the edge of land that is covered in coast. A stream is an amount of water that flows down a slope or hill.

The answer is gully,   a large channel in soil that carries runoff after a rainstorm

You would be correct, boiling water does disinfect contamination.    the property of disinfecting means to kill  germs, bacteria and other pathogens or contamination  that might cause an infection or cause a person to become sickly. a couple methods of disinfecting are using soap, other cleaning supplies or by simply "boiling" the contaminate.  the reason why boiling water disinfects certain attributes is because some cells cannot survive the heat and pressure.