Multiple Choice
In medieval Europe an important technological advance was the use of the padded horse collar for ploughing. Once this idea was thought of, other people used it. What does this example illustrate about knowledge?
A) It is generally a public good.
B) It is generally a societal good.
C) It is generally a private good.
D) It is generally a normal good.
Correct Answer:

Verified
Correct Answer:
Verified
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