Stratigraphic studies have found evidence of numerous cycles of sea level rise and fall after the Precambrian.These cycles often have a sandstone at the base,grade up into coal,and are called ____________.
A)geotherms
B)sedithems
C)bathycycles
D)cyclothems

Question

Quizplus · Accepted Answer

The question describes cycles of sea level rise and fall that are marked by sandstone at the base and grade up into coal. These types of cycles are known as cyclothems. Choices A, B, and C are not applicable to the description given.

Stratigraphic Studies Have Found Evidence of Numerous Cycles of Sea