Herbal tea has become a popular product and is offered by a number of brands. An investigation showed that out of the 7 brands of tea sold at an average-sized supermarket, all included preservatives and added chemicals for flavor and color. It can be stated, therefore, that in order to drink a truly healthy herbal tea, the ingredients should be collected from a natural source.
Which of the following, if true, supports the argument's conclusion?
Incorrect.
[[snippet]]This answer choice neither weakens nor strengthens the conclusion. Why herbal teas became popular is not relevant to our task since it does not support the author's conclusion.
Incorrect.
[[snippet]]This answer choice weakens the conclusion, by showing that seeking truly healthy herbal tea outside of average-size supermarkets is pointless; these supermarkets already offer the best products consumers are looking for.
Incorrect.
[[snippet]]This answer choice neither weakens nor strengthens the conclusion. What Some people may do is not relevant to our task since it does not support the author's conclusion.
Incorrect.
[[snippet]]This answer choice could be considered to be weakening the conclusion by showing that even some of the natural sources for herbal tea leaves (farms) are not necessarily chemical-free.
Splendid!
[[snippet]]This answer choice strengthens the author's conclusion by making two points:
1. It mentions that the chemicals in the branded tea disrupt digestion.
2. It claims that herbs grown with water alone do not contain such chemicals.