Low levels of what cause hdhd
1 answer:
Answer:
Reduced levels of the neurotransmitters serotonin and norepinephrine may also contribute to the development of ADHD.
Explanation:
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Answer:
D. a head injury
Explanation:
She wouldn't have been conscious if she had a head injury
Answer:
I believe it is cardiovascular since they all involve the heart
True, Ammm what is the question here
Spermicide has a failure rate of 28 percent
The answer is c because it toxins
