According to the passage, both theory A and theory B have been developed to explain how

According to the passage, theory B states that which of the following is a factor that enables a schooling fish to escape predators?

The author of the passage cites which of the following as evidence challenging the argument referred to in the highlighted text?

It can be inferred from the passage that the author and the scholars referred to in the highlighted text disagree about which of the following aspects of the patents defended in patent-infringement suits before 1830?

It can be inferred from the passage that the frequency with which pre-1830 cases have been cited in court decisions is an indication that

The passage implies that the scholars mentioned in the highlighted text would agree with which of the following criticisms of the American patent system before 1830?

The passage implies that which of the following was a reason that the proportion of verdicts in favor of patentees began to increase in the 1830s?

Which of the following, if true, would most strengthen the author's assertion regarding economic indicators in the highlighted text?

Which of the following conclusions about the Great Depression is best supported by the passage?

The primary purpose of the passage is to