Answer is D. All others are true..
The study is an experiment in light of the fact that the scientists control one variable to decide the impact on another.
An experiment is an investigation intended to contrast advantages of an intervention and standard medications, or no treatment, for example, another medication treatment or aversion program, or to indicate circumstances and end results. This sort of study is performed tentatively. Subjects are chosen from an examination populace, doled out to the different investigation gatherings, and observed after some time to decide the results that happen and are created by the new medication treatment, treatment, or intercession.
Answer:
Conspicuous consumption
Explanation:
Conspicuous consumption is a term used to describe expenditures on goods and services purchased primarily for the purpose of showing wealth. In the mind of the conspicuous consumer, such display serves as a means of having or maintaining social status before a social group, which socially determines objects and goods, such as a classification of higher or lower status. An example of this can be seen in the question above, where the girl bought a very expensive purse just to show that she possessed something luxurious and give an impression of wealth.
Answer: OPERANT: RESPONDENT.
Explanation: Operant behavior operates on the environment,
Respondent behavior occurs as an automatic response to some stimulus.
Operant behavior can be defined as a way of conduct through positive and negative reinforcement and positive and negative punishment. This occurs as a result of Response to circumstances surrounding an individual.
Respondent behavior can be defined as a conduct that occurs as a result of an answer or reply to some stimuli.
Answer:
Liberation-freedom of speech
Freedom of equality
Freedom of goverernment-democracy
These are three main points you can talk about but I can't do your paragraph.