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Bay Bridge, complex crossing that spans San Francisco Bay from the city of San Francisco to Oakland via Yerba Buena Island. It consists of two end-to-end …
In petroleum refining, what name is given to the process by which heavy hydrocarbon molecules are broken up into lighter molecules by means of heat and pressure?
A:
In petroleum refining, cracking is the process by which heavy hydrocarbon molecules are broken up into lighter molecules by means of heat and usually pressure and sometimes catalysts.