The precambrian history of earth is difficult to determine for all of the following reasons except select one: o a. precambrian rock is exposed only on three continents o b. precambrian rock is complexly deformed o c. precambrian rock is metamorphosed o d. there is little stratified rock in the precambrian record o e. there are few useful index fossils in the precambrian record

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.

answer; the above statement is (true); east germany and west germany

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