ACCORDING TO THE PASSAGE, IN WHAT CIRCUMSTANCES DO HUMMINGBIRDS BUILD A SECOND NEST

32:According to the passage, in what circumstances do hummingbirds build a second nest?A. If there is an unusually large supply of food B. If the nests are destroyedearly in the season.C. If the winner is unusually warm D. If the chicks in the first nesthatch early

Dẫn chứng: A second nest is feasible only if the first fails early in the season.