Respuesta :
Answer:
The Precambrian history of Earth is difficult to determine for all of the following reasons except e. There are few useful index fossils in the Precambrian record .
Explanation:
Precambrian history
Precambrian history is difficult to study as there are relatively low Precambrian fossils and most of the Precambrian rocks have metamorphosed and ,
there are few useful index fossils in Precambrian record as it is well known the evolution of life on earth was not very predominant in Precambrian time.
It should be noted that Precambrian history of Earth is not difficult to determine because there are few useful index fossils in the Precambrian record.
What is the Precambrian history of Earth?
The Precambrian serves as the earliest of the geologic ages.
This are been marked by different layers of sedimentary rock and gave some special history about the Earth.
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