How much kinetic energy does the object have?

Which of these describe conduction transfer of heat between two objects that are touching transfer of heat by the actual movement of war matter the process in which energy is imitated by one of the object transmitted through space and absorbed by another a process in which energy is released by the molecules breaking apart

Which changes of state do the labels represent? a: b: c:

Which is not true about oxygen-17 and oxygen-18?