Answer:
Not only can drugs impair teens' cognitive development, they can also affect students' performance in school: their ability to memorize things, concentration in the classroom, prioritization of assignments, likelihood to attend class, and even their overall IQ. There is a definite link between teen substance abuse and how well you do in school. Teens who abuse drugs have lower grades, a higher rate of absence from school and other activities, and an increased potential for dropping out of school.
Explanation:
A.
The brain has to produce the sleep cycle is my best guess.
Answer: Ensure the water is visibly clean and free from sand and silt. Filter the water to get rid of visible dirt. Drink only clean and safe water – either portable water or water filtered through water purifiers.
