a. Define the word hydrocarbon? | A hydrocarbon is a compound containing only hydrogen and carbon |
b. Crude oil is a _mixture__ of _many hydrocarbons_ |
c. What is crude oil made from? | Crude oil is made from tiny animals and plants that lived in the sea. |
d. How long does it take to make? | Millions of years |
e. Where does the energy originally come from? | The sun |
f. How is crude oil different from coal? | Coal is not a hydrocarbon. |
g. Crude oil, coal and natural gas are collectively known as _fossil fuels | |
h. How is crude oil transported when it is extracted from the ground? | By pipeline or oil tanker |
