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.

6 0

3 years ago

How is Earth's outer layer similar to a cracked hard-boiled egg

Jlenok [28]

It’s thin compared to the other layers (core, mantle etc) and is comprised of rocks so it is hard.

7 0

2 years ago

If many of the lakes in Florida are sinkhole lakes what can you conclude about the geology beneath Florida's surface?

Orlov [11]

I would say really bad! Because all of the lakes are important to Florida!

4 0

3 years ago