Answer: C. Melatonin.
Explanation: Melatonin is the hormone responsible for sleep and wake cycles. :)
Answer:
The answer is A
Explanation:
I did a test about this and this is one of the things i remember
Answer:
sorry I can't see it clearly cause I have an eye problem sorry but thx for the points
Answer:
because they spend less and the cheaper stuffs are mostly long lasting compared to some expensive stuff thats my opinion I'm this question