The answer is A. because 26.25 g NaCl ( 1 mol / 59.44 g ) ( 1 mol Na / 1 mol NaCl ) ( 22.99 g / 1 mol ) = 10.15 g Na
The one that is an example of a source that gives firsthand information about an event is option A. Article.
Oral histories, newspaper or journal articles, and memoirs or autobiographies are examples of primary sources created after the event or time in question but offering first-hand accounts.
Primary data is a type of data that is collected by researchers directly from main sources through interviews, surveys, experiments, etc. Primary Sources are immediate, first-hand accounts of a topic, from people who had a direct connection with it.
<h3>What are the examples of primary sources of data?</h3>
Some examples of primary source formats include:
- archives and manuscript material
- photographs, audio recordings, video recordings, films
- journals, letters and diaries
- speeches
- scrapbooks
- published books, newspapers and magazine clippings published at the time
Therefore, the correct answer is as given above
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The complete question goes thus:
Which is an example of a source that gives firsthand information about an event?
A. Article
B. Letter
C. Website
The options c) and d) are not true (although d can be partially argued for: they have problems with soil erosion and winds).
a and b however are both true- and they are connected to each other, a being the result of b.
Becasue of this, I think that B is the best option, as they have some but not many natural resources- due to their size.
Answer:
The Darien Gap is located between Central & South America
Explanation:
There are no roads that span the jungle here, only footpaths. While a handful of expeditions have crossed by land vehicles, it's not something most people can accomplish.
Answer:
D
Explanation:
Borders between countries are thick black lines.
I may be wrong though. Hope it helps!