Answer:
100 j
Explanation: the organism only consumes 10% of the original amount of energy
You are measuring the mass, weight, and density.
The most leaching of minerals occurs from the Horizon A(the top layer) into the horizon B(the sublayer) The zone B which is commonly referred to as the subsoil layer is the zone of accumulation where rain water percolating through the soil from the top layer and it is precipitate within the subsoil(horizon B)