that layers of sediment were originally deposited horizontally under the action of gravity
Excretory System is the wastes that gets out of your body by sweat, gas and other types of wastes.Urinary system rids the blood of wastes produced by the cells.
The study of chemical reactions of living this is called biochemistry.
They might still be under the influence of medication given to them during the surgery. no one under the influence should drive. it is a safety hazard for them to drive
