over millions of years from the remains of tiny sea creatures called plankton which are buried in the mud. Layers of rock form and crude oil is formed due to the high pressure and temperature
What is crude oil?
A mixture of hydrocarbons
What are hydrocarbons?
molecules made up hydrogen and carbonatoms only
What is the general formula for alkanes?
CnH2N + 2
Alkanes are saturated molecules because carbon atoms are fully bonded to hydrogen atoms