Examine the image below: What is the purpose of this photo in the article?

It shows the harmful effects of using GMOs in childrens products.
It demonstrates one of the reasons people are against using GMOs.
It shows that most of the people speaking against GMOs are young.
It demonstrates why the author is against the use of GMOs.

16.) true

17.) true

18.) it doesn't say

19.) true

20.) false

explanation:

the correct answer is a. he fairs had detailed, specific rules about what merchants could sell and how they could sell it. despite the fact that all the other answers have relevant details, they make inferences based on the passage that lacks all relevant information to support them. only the answer a makes no inferences, and can be supported by this part of the passage: "the fairs were very well organized. they featured covered galleries so that merchants could buy and sell even if rain came drumming down; cellars were so large, they resembled underground cities. at the fairs, merchants could trust the weights and measures, and a strict order prevailed for how things were to be sold."