The following is what is parents might be concerned about is:D. Autism spectrum disorder.
<h3>What is Autism spectrum disorder?</h3>
Autism spectrum disorder can be defined as a disability or disorder that makes it difficult for a person to communicate or interact with others.
A person suffering from autism disorder have difficult learning and understand people perspectives and they tend to find it hard relating with people.
Inconclusion the following is what is parents might be concerned about is:D. Autism spectrum disorder.
Learn more about Autism spectrum disorder here:brainly.com/question/9869588
Answer with Explanation:
National security and liberty have always been related to each other. Neither is in opposition to the other. Balance between the two is necessary. When a country makes policies in order to make a country secure (such as being secure against foreign attacks), it doesn't mean it is lessening the effectiveness of liberty. It is actually supporting liberty and is also securing it for the future generation.
<u>It is said that any threat to the country such as America (or its national security) is also considered a threat to the nation's liberty</u>.
Thus, this explains the answer.
Answer:Primary research
Explanation: Primary research is the process of researching that is doen by the individual itself or the people hired by him/her .It includes conduction of surveys, study , observation, raw data etc by the person on his own. Example - taking an interview of any political figure by person himself.
According to the question, primary research process is used by Wilson by hiring the researchers team professional tennis members and designers for conducting the research about the requirement of female players in tennis racquet. Thus, this research is done by primary source itself which makes it a primary research.
Many Cherokees were moved west to a territory that is now the state of Oklahoma, srry that's all i know.
Dry-summer tropical climates can be found in California.
