Which of the Following Statements Concerning Hydrocarbons Is/are CORRECT

Multiple Choice

Which of the following statements concerning hydrocarbons is/are CORRECT?
1) Coal is a source of many aromatic hydrocarbons.
2) Petroleum is subjected to a process known as cracking,where aromatic rings are cracked open to yield alkane chains.
3) The primary components of petroleum (prior to refining) are alkenes and alkynes.

A) 1 only
B) 2 only
C) 3 only
D) 1 and 3
E) 1,2,and 3