An appropriate summary for the article "A Most Troublesome Element" is the last option - C. Arsenic is a naturally occurring, poisonous element that has threatened the health of humans since the Middle Ages.
It clearly states what the whole article is about.
Answer:
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Explanation:
A Few Examples
-The king refused to assess law regarding immigration
- Raising condition of new appropriation land
- the king would not allow the court of justice to be established