Using 1000 plants, each for an individual barrel. The plant that was poisoned will die within thirty days, that way the people will not die. Personally I don't see what's so bad about using 1000 humans as text subjected though ;)
Answer:
answer for me my answer is D
The adjective clause in this sentence is 'who has read thousands of books'. It is an appositive, separated from the rest of the text by commas, and has an adjectival meaning - it modifies the noun, Anthony.