Shelly was surprised to learn the dwarf planet Pluto used to be considered a planet. What would have had to be true for Pluto to remain categorized as a planet? Pluto would need to have an atmosphere. Pluto would need to clear the neighborhood of its orbit

Pluto would need to clear the neighborhood of its orbit

Explanation:

Pluto was originally recognized as a planet before it was later reclassified as a dwarf planet. The reason for its reclassification was because it failed to achieve on of the classification required to be termed a full-planet; it has not "cleared the neighborhood" around its orbit. "Clearing the neighborhood" means that a planetary body has to be the dominant body in their orbit around the sun.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

taking a bath requires the most water out of the given options because it takes a significant amount of water in order to fill a bathtub.