science
Grade-4-
Easy

Question

Which of the following statement is correct?

  1. Rocks are constantly changing from one type to another type.
  2. Rocks change in one year.
  3. Limestone is a metamorphic rock.
  4. All of the above

hintHint:

The rocks change from one type to another.

The correct answer is: Rocks are constantly changing from one type to another type.


    • The rocks change from one type to another over a period of time.
    • This is due to various ecological factors occurring in the area.
    • The factors include weathering, erosion, sedimentation, etc.