Which soil layer in a typical soil profile is rich in humus and organic matter, making it the most fertile horizon for plant roots?
Options:
- A: O Horizon
- B: A Horizon (Topsoil)
- C: B Horizon (Subsoil)
- D: C Horizon
Related Practice Questions:
- Why is copper considered highly pure and extensively used in religious rituals by Hindus today according to the historical context of natural resources?
- Which of the following regions is described by R.S. Sharma as "the most coveted and contested area" fought over by important ruling powers in northern India?
- Paper currency was not used in ancient India. In which century was paper currency finally introduced to India?
- The earliest agricultural settlements and states in ancient northern India were founded along the Himalayan foothills (the "terai" route) during which period?
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