Miya wants to add another integer to make a sum of 0. What integer should Miya add? Show or explain how you know. PLZZZ HELP

Which revision, if any, best fixes the bolded (capitalized in this case) part of the sentence? female cardinals, a somewhat drab bird compared to the males, blend in well with their environment. no change somewhat drab birds a somewhat drab's bird somewhat drab bird's