The primary purpose of the passage is to

The passage suggests that which of the following is a prediction concerning meteor streams that can be derived from both the conventional theories mentioned in the highlighted text and the new computer derived theory?

According to the passage, why do the dust particles in a meteor stream eventually surround a comet's original orbit?

It can be inferred from the passage that which of the following would most probably be observed during the Earth's passage through a meteor stream if the conventional theories mentioned in the highlighted text were correct?

The author states that the research described in the first paragraph was undertaken in order to

According to the passage, Bridenbaugh attributes the wealth and power of some eighteenth-century North American artisanal families to which of the following?

It can be inferred from the passage that the scholars referred to in the highlighted text would agree with Wolf about which of the following statements pertaining to craft dynasties?

The existence of which of the following pieces of evidence would most undermine the position of Rorabaugh, as described in the passage?

Which of the following claims is made by the passage?

The primary purpose of the passage is to