Final answer:
The biome with shallow soil easily washed away by rain is the rainforest biome.The high rainfall in rainforest biomes leads to leaching, which is the process of minerals and nutrients being washed away
Step-by-step explanation:
The biome that has shallow soil that can be easily washed away by rain is the rainforest biome. The high rainfall in rainforest biomes leads to leaching, which is the process of minerals and nutrients being washed away from the topsoil. The shallow soil is unable to retain nutrients, and they are instead carried away by rainwater.
Additionally, human activities can impact soil depth; deforestation, overgrazing, and construction can all lead to increased erosion, reducing soil cover. The stability of soils is important for the support of plant life, moderation of water flow, and as a buffer against flooding and erosion. In contrast, areas with a substantial soil mantle have a greater ability to absorb and retain water, mitigating these risks and supporting a more diverse range of life forms.