What kind of noun is serenity?

What is the most conductive material on earth? What type of mutation is caused by adding one nucleotide into the middle of a sequence? Is ibuprofin and acetamiophen the same? What is a adaptation of a plant and how does it help it? Can you run 115volts 15 amps on a 110 outlet? What continental plate is Oregon in? Why don't the components of gastric juice damage the wall of the stomach in the absence of a H. pylori infection? What type of plate is the Mid Atlantic Ridge? Who is in charge of Googlecom? How is the newton's first law of motion is a special case of the second law? When a cold air mass catches up with a warm air mass the result is often front a? Why dont you see a beam of light from a flashlight refract as it travels across a room? What famous feature in California represents one of the plate boudaries? What caused the Great Rift Valley and the Great Escarpment? How is atmospheric pressure affected by Warm air mass pushes into cold air? Why is it important to study human sexuality? Why is sediments important in the process of fossilisation? What is the Clarity of seawater biological importance? You can see the colors in a picture because you are aided by the what? What do you do if a guy does not call you anymore?