Answer: Longitudinal Research
Explanation:
This type of design involves studying the same kind of people over an long period of time. Data is collected at the beginning of the study and gathered repeatedly through the course of study. In some cases, longitudinal studies can last for several decades or be open-ended.
It can effect the human brain the most, It can make you numb and make you see things, You will not be able to remember what you did depending on the amount you smoke.
Answer:
C
Explanation:
Puberty occurs when a part of the brain called the hypothalamus begins to produce a hormone (gonadotropin) that has an effect on the testes and ovaries causing an increase sex hormone — estrogen in girls and testosterone in boys.