Moody's, Standard & Poor's, and Fitch Investor Services are firms which provide: debt consolidation. O debentures. O toasted sandwiches. O indentures. O bond ratings The term "debenture" is used to describe: O bonds that do not make coupon interest payments. bonds that are secured by a lien on real property. O any unsecured long-term debt. a complete set of removable, artificial teeth. O bonds that are below investment grade. In case of insolvency, some bonds have lower priority than other bonds. The term given to describe these bonds is: O debenture. O zero coupon bond. subordinated. O mortgage bond O junk bond