As you can search and read the definition of a scientific experiment is the process of testing and finding the truth through this scientific method. Thus, all items are considered scientific experiment except for item "c" Ask her coworkers which solution they thick is better.
Scientific Experiment are defined set of ordered scientific steps followed by an individual to test with help of scientific knowledge.The result of scientific experiment is always objective.
Option a, b and d are the types of scientific experiment. Where as asking her coworker about which solution will be better is not as we cannot test their viewpoint son the particular solution available,
