The density of wood is 0.70 g/cm^3. What % of the volume a block of this volume wood would be above the waterline?

Which stage of the cell cycle usually takes the longest?

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

Which of the following signs of a chemical reaction are observed in the reaction of potassium with water? precipitate formed temperature change smell produced gas produced color change