Identify the error in the given sentence and select the correct sentence from the given options.
The earth has a exceptional structure which may have helped in life’s arrival.
1
An earth has an exceptional structure which may have helped in life’s arrival.
2
A earth has exceptional structure which may have helped in life’s arrival.
3
An earth has exceptional structure which may have helped in life’s arrival.
4
The earth has an exceptional structure which may have helped in life’s arrival.