Answer:
If something happens directly to you, and you share a story about it, you are a primary source for that story. If someone else takes your story and tells that to someone else, they are a secondary source. "Tells the story to someone else" can include interpretations, articles, and analyses.
I would word this differently, btw. My wording's not great.
Answer: the production of crops for sale and is designed to produce crops for widespread distribution
Explanation:
In order to achieve the economy of scale, therefore, commercial farming needs to be very efficient and practiced on a large scale as the goal of the farmer is to maximize the profit margin.
Answer:
the slope is 3
Explanation:
the slope is always the number before x
The Columbian Exchange connected the Eastern and Western Hemispheres by using same things like food, livestock, and crops.