Answer:
a letter written by a person who is describing a current event
Explanation:
A primary source is a document from the time period of the event.
While most of these could be considered one, you have to do a process of elimination.
A scholarly article about an old event isn't a primary source, so it's not that.
An interview with a reporter who wrote about a current event is not a primary source because it is not the original document from the reporter.
A student's report about an event that occurred during her lifetime is a primary source, but it is not the best example.
Answer:

Explanation:
Given


Required
Determine the acceleration
This will be calculated using force formula:

Substitute values for Force and Mass

Divide both sides by 62kg


<em>Hence, the wave boarder accelerates at </em>
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A firm may narrow its focus to a specific region of the world so that it can better understand the cultures, legal and social norms, and other factors that are important for effective competition in those markets
.
Option a
<u>Explanation:</u>
Any firm when it starts must focus on first developing and enhancing itself fully. A 100 percent work efficiency must be the goal of the firm and it must try to achieve at least 99 percent. Thus, first, it must start at a small pace, build its foundations and then expand.
A firm may thus narrow its focus to a specific region so that it can better understand the cultures, legal and social norms, and other factors that are important for effective competition in those markets.
I'm pretty sure it is called withdrawal.
Answer: a conic projection
Explanation:
a projection made by placing a paper cone over a lighted globe so that the axis of the cone aligns with the axis of the globe