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:
C
Explanation:
Web based interview will be best and most convenient method for Howard considering his location to the study area. Web based interview involves administering survey questionnaires through the use of web browser and responses are stored in a web database.
Web based interview is also considered best because it helps overcome the challenge of getting a convenient sample that will truly represent the target population and also the challenge of getting the people in the sample to participate.
With the PSA we want to get the germs from the foods so i am going to make it safer to handle foods by washing your hands after preparing and before preparing food and to where nets over their hair and beards.
please can i have a brainlier
