Answer:
experimental
Explanation:
According to my research on different research methodology, I can say that based on the information provided within the question this is an example of experimental research. This refers to a research approach where you do not know what the results will be so the researcher creates a series of controlled tests in order to gather data and come to a certain conclusion.
I hope this answered your question. If you have any more questions feel free to ask away at Brainly.
a. True
b. False
Answer:
its ture
Explanation:
stimulant drug.
depressant drug.
hallucinogen drug