According to the passage, the sources of fossil fuels will have to be replaced because
D
Theo bài đọc, các nguồn nhiên liệu hóa thạch sẽ phải được thay thế bởi vì
A. chúng cần được vận chuyển
B. chúng không hiệu quả
C. việc sử dụng của chúng được tập trung hóa
D. sự cung cấp của nó giới hạn
Dẫn chứng: In countries with private, rather than public transportation, the age of nonrenewable fuels has created a dependency on a finite resource that will have to be replaced.
=>Chọn D
What can be inferred about the White House from the information in the second paragraph?
According to the author, the fact that more full-time students are working for pay ______.
Research studies have shown that pressures put on students nowadays are ______.
Why does the passage begin with a description of the properties of calcium nitrate?
According to the passage, now that scientists know that unusual neurons in certain people are the cause of migraines, they