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what does the boiling point and viscosity of a hydrocarbon depend on?
what happens to the boiling point and viscocity when the number of hydrocarbons increase?
what does the furnace do in relation to crude oil?
what hydrocarbons are found in refinery gas?
how is limestone formed in animals?
what belief does the red shift support?
how does energy enter the food chain?
how does energy leave the food chain?
