Answer:
Reduced levels of the neurotransmitters serotonin and norepinephrine may also contribute to the development of ADHD.
Explanation:
I think the correct answer would be genetic modification. It is the most controversial technique that is used by many farmers as this method produce high quality products in large volumes. These products are called genetically modified organisms or GMO's.
Answer:
yes
Explanation: cigarettes have ten or more chemicals found in them than any other smoking or tobacco materials.
The correct answer is 2. 1 and 3 both are related to team sports.
