I think it is 25℅ for multiple reason
I believe the answer is: Formal Operational Stage
During the Formal Operational Stage, people already developed the ability to form abstract thinking and <span> solving complex problems.
For average people, Formal operational stage started when we're around 12 years old of age and keep developing until our late adulthood.</span><span />
Answer:
placebo
Explanation:
According to my research on studies conducted by various psychologists, I can say that based on the information provided within the question the cigarette without nicotine is a placebo. This term refers to a substance that has no chemical effects and is given to a patient or test subject instead of the actual drug, in order to compare the effects that it has to the individual in comparison to the effects of the individuals that take the actual drug. Which is what the researcher are doing in this scenario as they test the reactions that nicotine has on individuals with those that just think they are smoking a cigarette.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
Answer:
a. 25
Explanation:
Mr. mckay teaches about 100 students in his senior english classes in a large high school. if his students match the national norms for twelfth graders, 25 of his students probably used marijuana, alcohol, or other illicit drugs in the past 30 days.