Manure is a natural substance obtained from animal and plant waste, like cow dung, human waste, and plant residue. It supplies essential elements to the soil and makes it more fertile. But, it is not much helpful when a particular nutrient is required in the soil for a particular crop. Which one of the following reasons given below is the possible reason for this?

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg 

layer 3 is younger than layer 6.

your answer is going to be physical weathering