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:
what is the question..........
C, She is coming, as a result to the dinner party.
<span>a current study on the effects of stress on the body published by a medical journal
This would be the best source because it is the most current, least subjective, and most reliable. Since it is not personal experience or reaction, but based on medical tests, it would be the most accurate. Also, textbooks can be outdated so since this is current, it would add to the accuracy. </span>
