The word “they” in line 22 refers to A. rocks B. shores C. oceans D. specimens
The word “they” in line 22 refers to
A. rocks
B. shores
C. oceans
D. specimens
Lời giải:
Đáp án: D
7. Thông tin: In many instances the specimens are less than one-tenth of a millimeter in diameter. Although they were entombed in the rocks for hundreds of millions of years, many of the fossils consist of the organic remains of the organism.