What is the use of U tube apparatus?

Where was the wedding kept in my father sun sun Johnson? Do you need a license to become a Meteorologist? What helps hold the nucleus in a place in a cell? What is energy content of compressed air? Why does the middle of the leaf (the spongy region) have loosely arranged cells? What is another example not given above of a relationship between structure and function in the human body? Some bacteria are metabolically active in hot springs because? Why could you jump farther on mars than Jupiter? What are the ossicles in order of stimulation? Once carbon has been converted to food by plants what three things can happen to it? What effect does an egg have in a dough mixture? Where can you buy the purple coat the actress is wearing in the winter ad for Pantene pro V shampoo? Does prokaryotes have compartments? How many hackers are in the world? How many moles of oxygen are there in a thirty six centimeter cube of the gas at room temperature and pressure? What is the basic rule that neither individuals nor the government is above the law? Where is 38 degrees north 9 degrees west? Why does water makes it unsuitable for certain uses? What are the properties of wind? When food is exposed to air it can lose electrons. This loss of electrons creates reactive molecules that work to destroy chemical bonds in the food causing it to spoil. What are these molecules calle?