What 3 observation that the polonium nucleus before and it decay?

What are t bonds? What are organisms that secure food by eating other organisms called? Is salt in sweat is an example of mechanical barrier that the body uses for protection? How does density and temperature have an effect on the movement of fluids? Is there a time difference between New York and lima Peru? How many liters are in 14.9 gallons? Where is the digestive gland located in a crayfish? Aside from a donkey and a snake what other animals could talk in the Bible? Where did Gregor Mendel receive his degree? Can boy and girl with b positive blood group but different RH factor marry? Where do you get a big blizzard berar on wow? How did cliffs get their name? Is not an essential feature of a state? Where does the ATP and NADPH in the Calvin cycle come from? Mars is closer to earth than the sun why does mars orbit the sun and not earth? Which former president of the US believed that the earth was flat? How does repo campany track your vehicle by gps? Are potato cells prokaryotic or euyarotic? What symbol is used to separate folder names? What natural disaster destroyed lisbon in the 18th century?