4. Diseases caused by manufacturing materials
Answer:
"First off, the extreme word exclusively is a big warning sign that this answer is probably wrong, so you should be suspicious of" it from start.
Explanation:
"First off, the extreme word exclusively is a big warning sign that this answer is probably wrong, so you should be suspicious of" it from start. The author writes about power sellers at Ebay. Those power sellers started using Ebay as regular users but over a period of time they turned out to be the power sellers and the author mentions these power sellers in the passage.
The correct answer is C. Gideon was the son of a tribal medicine men, so all of this knowledge was passed onto him. However, he (along with the other African servants) do not reveal the name of the medicinal root, regardless of (and perhaps in spite of) the potential monetary benefits involved with telling the white people about their medicine.
