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Given that the conditions in binary star systems should make planetary formation nearly impossible, it's not surprising that the existence of planets in such systems has lacked _______ explanation. Roman Rafikov and Kedron Silsbee shed light on the subject when they used modeling to determine a complex set of factors that could support planets' development. Which choice completes the text with the most logical and precise word or phrase? * A) a discernible B) a straightforward C) an inconclusive D) an unbiased {Ans: B) a straightforward}Seminole/Muscogee director Sterlin Harjo _______ television's tendency to situate Native characters in the distant past: this rejection is evident in his series Reservation Dogs, which revolves around teenagers who dress in contemporary styles and whose dialogue is laced with current slang. Which choice completes the text with the most logical and precise word or phrase? A) repudiates B) proclaims C) foretells D) recants {Ans: A) repudiates}Scientists believe that, unlike most other species of barnacle, turtle barnacles (Chelonibia testudinari) can dissolve the cement-like secretions they use to attach _______ to a sea turtle shell, enabling the barnacles to move short distances across the shell's surface. Which choice completes the text so that it conforms