The answer is organization.
Answer:
if I'm supposed to find a grammar error instead if wether it is whether if not I don't know how to answer
When you join to independent clauses with a conjunction you stablishes the equality in this clauses, however in this case you can see that the clauses have a causal relation, it could be said If you don’t hold my hand, I will drown, in this case the best conjunction to put the clauses together is “or” “Hold my hand or I will drown.”
Sequence. Hope this helped.