The chemical signature of volcanic ash layers can be used to
A)date ancient fishes.
B)correlate sites across vast regions.
C)date foraminifera.
D)date ancient trees.

Question

Quizplus · Accepted Answer

The chemical signature of volcanic ash layers can be used to correlate sites across vast regions, enabling scientists to determine the timing and extent of events, such as volcanic eruptions or environmental changes, that affected different areas at the same time.

The Chemical Signature of Volcanic Ash Layers Can Be Used