. Soil is composed of distinct layers; the topmost layer consists of rotting dead matter called _______.


(a) Clay                  

(b) Humus             

(c) Sand                 

(d) Gravel

 

Best Answer

(b)     

The topmost layer of the soil which consists of dead and decaying matter is called humus and is also the most fertile layer.

 

Talk to Our counsellor