The American Ornithology Foundation recently released the report `` The State of American Birds, '' and they believe that global warming is prompting birds to adjust their biological clocks and lay eggs earlier, and these changes will make these birds unable to make their own The progeny that break out of the shell provide enough food. For example, the blue-crowned tit mainly feeds on the larvae of moths and butterflies. The moth and butterfly's spawning time has not been advanced accordingly. Hunger continued for several days. Which of the following, if true, would best support an appealing argument? ["UK's average temperature has been rising in the last 40 years.", 'The laying period of many birds is indeed early.', 'Blue-crowned tit rarely eats food other than larvae of moths and butterflies.', 'Moths and butterflies have different spawning periods.']