Answer:
C. historical background
Explanation:
According to my research on natural disaster warning procedures, I can say that based on the information provided within the question all of the answers provided except for historical background will elicit a quick response from the public. In order for the public to react quickly to an upcoming dangerous event they need to know how bad the event will be, how likely it is to happen, and what they can do to protect themselves. Historical background will not provide any help to the public.
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It's between b and c because they are good examples but c is more recommended
Answer:
Social structure
Explanation:
Social structure is the stable arrangement of institutions whereby human beings in a society interact and live together.
The primary focus of US national security policy is to protect the citizens and the nation. Option C is correct.
<h3>What is US national security?</h3>
National security of the United Nations is defined as the collective term that covering the policies of both the United States's national defense and foreign relations.
Nowadays, the primary focus of the United States is to focus on the security because the government of U.S. gave the guarantee to their nation to give the protection and the fundamental and standing needs.
Therefore, option C is correct.
Learn more about the security, refer to:
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The answer is letter A. An important key to a good observational records is the use of language. The most known type of observational records that uses the language is narrative recording which focuses all behaviors during the time of recording or observing.