The word blocked out is sorce

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?

The ability to accurately gauge the distance of the coffee cup on your desk as you reach for it is called:

What contributions did muslims make to astronomey