I'm not an expert on this but I'm speculating "fracking"
Which uses high water pressure to extract the coal.
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:
brainly.com/question/6454972
<span><span>The right answer is a culture of hooking up.</span> The hookup culture is when you accept casual sex without compromise between members. This behavior is very common among young people and university students from the USA. This is also called nonrelationship sex.
I hope this answer can help you.
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Answer:
This is an example of marginal analysis, as the decisions made by Raphael are on margin.
Explanation:
The decision of Raphael about pool versus bike time is totally a "how-much decision". It is clear that pool time and bike time can both reduce the time for race. However, the efficiency of pool time is high currently, and hence there is much sense in trying to spend more time in the pool and less on bike. This however makes no sense that all the time is spent in the pool and no time biking. Raphael only intends to alter the number of hours spend on each activity at the margin.
Answer:
this is definitely difficult to understand at this point
