Answer: Observational
Explanation: Observational study involves careful and physical observation of events. In this kind of study, the independent variable is not under the control of the experimenter as opposed to experimental study.
In the scenario above, Observational study is used to draw inference from a sample to a population, by recording the number of physical or verbal attacks while the researcher observes. The researcher has no control over the independent variable as he only records what he observes.
Answer:c. Her central idea is too vague and does not restrain the number of main points.
Explanation: A good central idea of a speech should strong,clear and specific.
Allison has made us know that dog care is difficult whereas hasn't even made mention of how dogs can be taken care of or the best way to take care of dogs. Making the central idea vague and main points lost.
He was part of the nationalist party
"Xiao" is a surname widely utilized in China. This originated from the locals of the Xiao County in the Anhui province in China, eventually adopting their town's name as their surname. The name escalated quickly in usage and is currently among the 20 most used Chinese surnames in the world.