B. It consists of mostly short-answer and fill-in-the-blank items.
It actually doesn't have any short answer questions. Most of the PSAT is multiple choice.
Answer:
The further people are from the earthquake source, the more warning time they will have, as the waves will take longer to reach them
Explanation:
Fatal accidents during an earthquake can happen in the matter of seconds. Sometimes, rooftops can fall on top of the victims' head. An explosion could occur from leaked gas, etc.
Even if earthquakes can't be predicted, having that additional seconds from the warning can be all it takes for a person to get out from their house and go to some place safe.
Ethnicity and race are the population characteristics that demographics usually measure. So, option (c) or (iii) is the correct answer.
<h3>What are demographics?</h3>
Demographic analysis is the study of a population based on factors such as;
Socioeconomics is used by states, partnerships, and non-governmental organizations to analyze a p<u><em>opulation's characteristics</em></u> for a variety of reasons, including strategy improvement and monetary statistics surveys.
The following are some of the findings of the demographics study:
People in a group's age and gender
People in a group's race and ethnicity
Population shifts as a result of migration
Population changes as a result of births and deaths
For more information about demographics, refer below
brainly.com/question/16078936
The correct answer is the final option - descriptive.
You are asked to observe those children playing and to find differences between how boys play as opposed to girls. In order to do that, you'd have to use the descriptive type of research because you have to describe what it is they are doing and how they differ from one another.