Which statement correctly describes the relationship of ideas in this text? The passage of time is signaled by the words "was co
mmitted," "he finally convinced," and "samples were distributed." The passage of time is signaled by the words "he finally convinced," "Early results," and "customers became." Cause-and-effect relationships are signaled by the words "however," "he finally convinced," and "customers became." Cause-and-effect relationships are signaled by the words "he finally convinced," "which 'met an unperceived need,'" and "Early results."