What is allertiration?

Isn't evolution just a theory that remains unproven? Why did Dmitri mendeleev reverse the order of some elements in the periodic table? What is scientific term for possiblelikelyor probable? A list of 15 space scientists name? Will you pass an alcohol blood test if you blew 44 on a breatherlizer and my blood was taken 4 hours after? Do you change the regulator when converting natural to propane gas ins a gas range? Do's and don'ts in holding a microscope? Where did the energy in non renewable resources come from? How many ounces is 14.25 pounds? When scientists use one of their five senses to gather information? What scientist got credited for detailed study of the human anatomy? In dimensional analysis a fraction that always equals one is called? List five examples of common noun? What are the phases of Natural Selection? Why does a river always keep moving? Do plant cells have nuclear membranes? How many miles are in 4061 km? What is the difference between a flood light and a spot light? What are examples of electromagnet? How many square meters is 4x4 meters?