SOMEONE HELP ME PLS!!

Brainliest to who answers! what will always cause a supply curve to shift to the left?

An individual who is experiencing a prolonged period of stress would likely have levels of circulating than an individual who was not experiencing stress.

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?