How many atoms in a human tooth?

How does Izaac newtons second law of motion affect vehicle safety? When electromagnetic radiation above the threshold frequency falls on an object it emits electrons? What does the Equator mean? What organ system is homeostatically imbalanced by infectious mononucleosis? What are the objectives of denaturation of protein? The area surrounding an ied should be cleared for a minimum of? What is it called when an object loses or gains electrons? What did Louis Pasteur develop to kill germs? What happens when you have too much dopamine? Which sedimentary rocks have a definite grain size? What are examples of solid earth? WHICH SIDE the axis of the earth is tilted? How many stone are there in 33 pounds? What would happen to your weight if Radius of earth decreased but no change in mass? Is avodart better then propecia at growing hair? What does osmium look like? What two things create a chemical reaction which causes leavening in Irish soda bread? What happened before Mount Vesuvius erupted? Where can I buy kerosine? Virus bacteria or fungi which is the smallest?