Match column A with column B .


22. bedrock

23 . topsoil

24. sub-soil

25. parent rock



CHOICES


A . IT IS THE UPPERMOST LAYER OF THE SOIL . THIS LAYER IS RICH WITH ORGANIC MATERIALS CALLED HUMUS .

B. IT IS LOCATED JUST BELOW THE TOPSOIL . IT IS COMPOSED OF LOOSELY ARRANGED ROCKS , SAND ,AND CLAY .

C. IT IS THE LOWEST OF THE SOIL LAYERS . IT IS MADE UP OF UNDISTURBED LARGE BOULDERS AND GRAVEL

D. IT IS COMPOSED OF ROCKS THAT ARE SLOWLY BREAKING APART . IT IS EXPOSED TO VERY LITTLE WEATHERING .


PASAGOT PO PLSS ​