a student in your class claims that, "As carbon moves from one sphere to another on Earth, some of it can be lost." using evidence from your lesson and scientific reasoning, refute the students claim that carbon is lost as it moves through the carbon cycle

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?