Which of the following is not true of secondary sources? A
They were created by a witness to the event being discussed.
B
They can give a lot of information at one time.
С
They create an overall picture of history.
D
They often use one or more primary sources.

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?