1st blank is integrity because dependability means you can be relied on while responsibility is owning up to your actions.
2nd blank is leadership because communication skills is how to talk to people regularly, not give out directions while optimism is incorrect.
Answer: C. Melatonin.
Explanation: Melatonin is the hormone responsible for sleep and wake cycles. :)
Answer:
By obeying your parents
Following religious beliefs
they seem like a nice co worker then (: