What is the main purpose of studying fossils in different sedimentary layers?

What is the main purpose of studying fossils in different sedimentary layers?
  1. To determine the geological period in which they existed
  2. To understand the variation of life:forms over time
  3. To study the evolution of new forms of life
  4. All of the above

Solution

The study of fossils in different sedimentary layers allows scientists to determine the geological period in which the organisms existed, based on the layer in which the fossils are found.

Asked in: NCERT

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