Answer:
You shake a few drops of your alcohol with the reagent in a test tube. A tertiary alcohol reacts almost immediately to form the alkyl halide, which is insoluble and forms an oily layer. A secondary alcohol reacts within 3 min to 5 min. A primary alcohol does not noticeably react with Lucas reagent at room temperature.
Explanation:
Overgrazing of drylands is a big one. An immediate reason is the removal of vegetation. This is caused by a few things like drought, climate change, tillage, deforestation, and overgrazing.
<span>When magma reaches the surface through a volcano, it is called lava. When lava cools, it forms extrusive igneous rock. The process by which rocks are worn down by wind and water, creating sediment.</span>
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
Human Trafficking is the act of recruiting or abducting people (usually children and teens) and doing...let's just say bad things to them. Some things could involve sexual acts, forcing them into labor, and even torturing them (like removing their organs or just doing it for fun).
People usually do this to gain money from it, which gets them a lot. In easier words, Human Trafficking is illegal and slavery.
