Which soil horizon is primarily responsible for this soil's fertility?
(1 Point)
Horizon A because it contains humus and other organic nutrients that plants need
Horizon B, because plant roots can grow down into the smaller rock fragments.
Horizon because most of the groundwater is stored in this horizon
O Horizon D. because it is the parent rock that breaks up to form soil
soil being fertile is allowing plants to benefit from it, plants benefit from the nutrients within the soil. seeing that horizion a has nutrients shows that it is horizion a