What source are needed in the selection of a relevant research topic

Drugs have a high potential for abuse. there is no routine therapeutic use for these drugs and they are not available for regular use. they may be obtained for “investigational use only” by applying to the u.s. drug enforcement agency. examples include heroin and lsd. which scheduled drug is this?

Five methods of nomination used today include: select all that apply convention caucus direct primary inheritance promotion petition announcement

During the 1500s,most rulers supported established a. political systems. d. none of the above b. churches c. freedom of speech