1. C
2. B
3. C
4. C
5. B
6. D
7. C
8. C
9. B
10. D
D) The basic unit of structure and function in all living things
They are representatives between the extinction events
<h2>
Answer:</h2>
A feature known as <u>d. unconformity</u> acts as a cause of gap in geologic record.
<h2>
Explanation:</h2>
An unconformity is the contact between sedimentary rocks that are essentially unique in age or between sedimentary rocks and more seasoned, disintegrated volcanic or transformative rocks. Unconformities act as the cause of the gap in the geologic record.
It occurs for two reasons: silt sediments halted for an impressive time and additionally existing rocks were dissolved before being secured by more youthful residue. It relies upon to what extent disintegration happened or to what extent the deposition stopped.
