What are the two most common disorders in the united states? anxiety and sleeping disorder depression and schizophrenia anxiety and adjustment disorder anxiety and depression

its anxiety and depression, anxiety is the #1 most common disorder in the U.S. and depression is fairly common so thats my guess

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this

that would be because of both gravity and friction. so     c