Introduction Chewing gum in various forms has been around since ancient times. The Greeks chewed sap from the mastic tree, called mastiche. On the other side of the world, the ancient Mayans favored the sap of the sapodilla tree (called tsiclte).
Bioremediation is a waste management technique that involves the use of organisms to remove or neutralize pollutants from a contaminated site.ioremediation may occur on its own (natural attenuation or intrinsic bioremediation) or may only effectively occur through the addition of fertilizers, oxygen, etc., that help encourage the growth of the pollution-eating microbes within the medium (biostimulation).
Passive Euthanasia. Hastening the death of a person by altering some form of support and letting nature take its course is known as passive euthanasia. Examples include such things as turning off respirators, halting medications, discontinuing food and water so as to allowing a person to dehydrate or starve to death, or failure to resuscitate.