What occurs when pollutants from the smoke of power plants combine with moisture in the air?

an ion is a charged atom or molecule. it is charged because the number of electrons do not equal the number of protons in the atom or molecule. an atom can acquire a positive charge or a negative charge depending on whether the number of electrons in an atom is greater or less then the number of protons in the atom.

not moving. pos accel,

where’s the list ? the question is incomplete

causes

fossil fuels burn

cities become more industrialized

human population grows worldwide