Respuesta :

Answer:

rest will do later mom is calling me plz understand promise will do it

Explanation:

  • Elements and compounds are similar in that they are both made of atoms and in some cases molecules.
  • Methods of Breaking Down Compounds
  • The only way to break down a compound is through a chemical change. Sometimes, energy is needed for a chemical change to happen. Two ways to add energy to break down a compound are to apply heat and to apply an electric current.