Scientists have observed that warmer temperatures in the spring cause flowers to ________.
A
Câu thứ nhất của bài đọc nói về việc Trái Đất nóng dần lên, và câu thứ hai đưa ra dấn chứng: “Scientists have already observed...flowers blooming earlier”.
Why does the author mention “artistic, political, or pedagogic communication” in the passage?
According to the passage, an exuberant tone of voice may be an indication of a
person’s ____________.
According to paragragh 2, when their habitats grow warmer, animals tend to move ________.
The author mention all of the following as causes of declines in population growth after 1957
EXCEPT
According to the passage, dried foods are most useful for ________.