Answer 3: The first two options have to do with the leaking of fluid. Only Answers 3 and 4 are left, and 4 is the OPPOSITE of porous.
Answer 2: Check Paragraph 14 for confirmation.
Answer 4: Just skim back over each, and you will see how Paragraph 14 talks about how this isn't an exact science.
Answer 1: this choice is the only one that respects the complementary relationships of the two passages. One is an overview and another hones in on one aspect of that passage mentioned -- the dangers of volcanoes and what to do about them.
Answer 4: this is the most thorough summation of both passages' main topics.
the answer (address...intricacies) is the way better answer.
The answer (brief...characters) accurately joins the two parts of the sentence: in spite of the brevity of the book, the creator was able to create various characters
Answer is Severe
(condition...despondent) is the way better answer since it clarifies why the speaker was too bad to see the protest of the sentence: since she was sad.
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SAT Practice Test #11