science
Grade-4-
Easy

Question

Select the correct option that shows the rock layers listed in the order from oldest to newest.

  1. A, B, C, D, E, F, G
  2. C, D, B, A, E, F, G
  3. G, F, E, D, C, B, A
  4. A, B, C, F, G, E, D

hintHint:

The layers of rock in the given image can be arranged as G, F, E, D, C, B, and A from the oldest to the newest.

The correct answer is: G, F, E, D, C, B, A


    • The formation of rock from one type to another takes a series of changes.
    • The rocks are formed by various factors like weathering, erosion, sedimentation, crystallization, etc.
    • The newly forming rocks lie above the elder one.
    • The older rocks lie at the bottom while the newest ones lie at the top.
    • Thus the given image can be arranged as G, F, E, D, C, B, and A as it represents the oldest to the newest.