Why do you call a large rock orbiting the sun a asteroid?

The term "asteroid" has come to mean any small, rocky object in orbit around the Sun. The orbits between Mars and Jupiter contain lots of asteroids because there's not a planet there to clear that zone. ... Thus Ceres has been "promoted" to a dwarf planet.Jun 6, 2016

Explanation:

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion