What is Antonym of artificial?

Radiation splits oxygen in the stratosphere to produce? What is the noble gas configuration of Lanthanum? What cartilage of the larynx is most important and why? Which penetrates farthest in an object Alpha particle or beta? Latitude and longitude of aleutian islands? What is an example of flak? What is a business organization owned by a froup of people for their mutual benefit? How many types of gametic will each parent produce in problem? What is Seasonal isolation? What is sagging of wire? Why do dried fruits and beans swell when they are being cooked? Is Italian dressing an element compound or mixture? What is another name for suderiferous glands and sebaceous glands? The best method for determining if a woman may be a carrier of the trait for color blindness is to? What Are nonpolar macromolecules found in cell membranes they prevent ions from freely entering cells.? How many kilowatt hours does an air conditioner use per month running 12 hours a day? Photosynthesis requires an input of energy to occur. Which kind of reaction does this describe? What is the weather like in England year round? What is the name of the layer of the Earth that is labeled with the letter X? Who discorved silver?