What market structure is mars chocolates?

How does presence of algae in water result in reduction of oxygen content in water? Does a shadow have mass? Do centripetal and centrifugal reaction constitute action-reaction pair? How many us states do not uses longitude or latitude to define their borders? Do you need to study physics to be a marine biologist? Do the specialized cells in a unicellular organism perform specialized jobs? What Sediments eroded from mountainsides and transported in the streams are an example of the conservation of? Which Electronic appliance that give out heat? What would have to gain two electrons in order to achieve the same number of electrons as a noble gas O or Sr or Na or Se or Br? Who called the big bang the big bang? How many cups is 33 oz? What type of fault occurs when compressionforces push one side of the fault upward and the other side downward? Are the forces that drive the rock cycle beneath the earth's surface the same as the forces that drive the rock cycle on or near earth's surface? Why liquid line there ice? Why wont your shirt and 2 give you a pound sign? Is expanded polystyrene foam waterproof? Do medium size stars become black holes true or false? What causes mega tsunamis? What are the four mineralogists consider minerals have? Can glycerin be taken orally?