Layers of the soil are called horizons. Here are the horizons:
- Humus
- Topsoil
- Subsoil
- Fragmented rock
- Bedrock
Once a soil has developed, it forms layers called horizons. Beneath a surface layer of a plant remains, the topsoil is rich in decomposed plants and animal matter. The subsoil is mainly mineral particles, with much less organic material. The fragmented rock/bedrock is primarily small stones, and beneath it lies all bedrock.
Hope this answer helps you!
Answer:
What evidence suggests that life might have been possible on Mars in the distant past?
Although the surface of Mars is inhospitable today, there is clear evidence that in the distant past, the Martian climate allowed liquid water – an essential ingredient for life as we know it – to pool at the surface.
Explanation:
Madagascar because the others in the list are not islands. Kilimanjaro is a mountain, mozambique is a country, and victoria is a lake.
Answer: C) Square
Explanation:
A cube is a three dimensional square. If you cut one in half it will be a square.
