Which of the following has a charge?
O molecule
O atom
ion
o element

Subduction zones occur on earth where dense oceanic crust dives under more buoyant continental crust. these boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. all of this is further evidence for the a) big bang theory b) origin of the species eliminate c theory of plate tectonics d theory of natural selection 4 sedimentary rocks found high in the himalayen mountain

May someone me with these science questions

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?