Releases oxygen;Light dependent
Fixes carbon dioxide; light independent
Takes place in stroma; light independent
Takes place in the grana; light dependent
Produce ATP; light dependent
Produce Glucose: light independent
The answer to your question is E.
If you are implying one these choices not needed for survival it would be parents only when you can survive on your own (I'm not that sure but I hope this helped the slightest but)
a chemical element or substance required in trace amounts for the normal growth and development of living organisms.