What kind of information can marine microfossils not provide?
A) Temperature variations in the surface and deep water.
B) Patterns in ocean circulation
C) The orientation of the magnetic poles based on trace metals found within the shells
D) Productivity of the marine biosphere and upwelling

Question

Quizplus · Accepted Answer

Data about temperature variations, patterns in ocean circulation, and the productivity of the marine biosphere and upwelling can be collected by analyzing the stable isotopes of oxygen and variations in carbon isotopes. Also, the presence of trace metals, found within the carbonate shells of these microfossils, can provide information on the ocean and atmosphere of the past. Information can be found in the section Sediments Are Historical Records of Ocean Processes.

What Kind of Information Can Marine Microfossils Not Provide