According to the passage, which of the following is true of the strategy that Du Bois' 1918 editorial urged African Americans to adopt during the First World War?

The passage suggests that the fact that ALH84001 has been on earth for 13,000 years has been used by some scientists to support which of the following claims about ALH84001?

The primary purpose of the passage is to

The passage asserts which of the following about the claim that ALH84001 originated on Mars?

It can be inferred from the passage that which of the following is an accurate physical description of typical low-surface-brightness galaxies?

The author mentions the fact that baryons are the source of stars' luminosity primarily in order to explain

The primary purpose of the passage is to

The quotation in highlight text is most probably used to

Which of the following can be inferred from the passage about the privatization process in the United Kingdom?

Which of the following statements is most consistent with the principle described in highlight text?