I don’t know if this answers your question but here you go:
Explanation:
The more you grow crops on a farm, especially on mono-culture, the more the soil loses its fertility per every crop harvest. Therefore the yields of the farm will reduce per crop. To maintain yield, the farmer will need to increase fertilizer or manure use which increases his cost of input every planting season. The more the farmer farms on the land, the more fertilizer is required – including regaining the right soil pH. Eventually, the cost of input will make it unproductive to keep farming on the land. This is why it is needed to leave land harrow for some time to regain fertility.
Answer:
D. Crop plants have shallow root systems, and most of the mineral nutrients are on the surface.
Explanation:
According to the question, we are required to provide the best explanation for the given sentence which says that crop plants make use of more mineral nutrients than native plants.
Based on this sentence, the best explanation would be that crop plants have shallow root systems, and most of the mineral nutrients are on the surface.
Scientifically in the United States fifth graders would be in fifth grade
