They would actually stay constant in what they are now,
get ready it is not that far away !!!!!!
Subsoil: This layer has normally less organic matter than the A horizon, so its colour is mainly derived from iron oxides. Iron oxides and clay minerals accumulate as a result of weathering. In a soil, where substances move down from the topsoil, this is the layer, where they accumulate.
Note: This information has been taken out of a website.
Answer:
The sun, or abiotic factors
Explanation:
Primary producers are organisms that make their own food, such as plants. They do this through photosynthesis, which requires sunlight, water, and carbon dioxide.
