What is the term for the remains of things found in a rock?

What would happen if airlines and baseball stadiums priced all seats the same instead of using variable pricing

Many of the mauryan empire’s huge pillars originally were transported from quarries in india. a. central b. eastern c. southern d. western

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?