What is pure abstract noun?

How many cups equals 1ounce? How many mm is 3 32 of an inch? Will it works if negative 48V is interchange from positive 48V? Although there is scientific evidence and many scientific theories about the origin of the universe how it all happened remains a question? What is the restriction site of the restriction enzyme Hae III? What is the weather and terrain like in Burma? Photosynthesis occur in chloroplast? What is the land area of the great basin desert? An experiment setup in which the independent variable is not present is called the? What is the ventral surface of a quadruped animal? What retains its original state? Why do gas companies mix a smelly gas with methane? Do fluorescent light have more blue or red? What market forms of meat that does not undergo chilling? What is circulation frequency? How does texture relate to cooling rate? Cells often store materials like water salts proteins and carbohydrates in sac-like structures called? How disasters is chinapunji? Where live Marie-Pierre bouchard from just for laugh? What structure of a cell has protein synthesis?