Due to a virtual absence of land plants and certain animals, fossil fuels are notably absent in ________ rocks.
A) Precambrian
B) Paleozoic
C) Mesozoic
D) Cenozoic
E) Paleozoic and Mesozoic

Question

Quizplus · Accepted Answer

The Precambrian era existed before the advent of land plants and certain animals, such as dinosaurs, which are responsible for the carbon-rich organic matter that eventually became fossil fuels. Therefore, fossil fuels are notably absent in Precambrian rocks.

Due to a Virtual Absence of Land Plants and Certain