WAEC SSCE - Geography - 1990 (Objective)

The soil in a typical natural rainforest remains fertile and suitable for arable agriculture because?

the vegetation is luxuriant

there is abundant supply of sunshine and rainfall which leach the soil

the soil nutrient is continously being replenished y the decay of the dense undergrowth and fallen leaves

there is absence of plant cover

the soil is well-drained

Maelezo ya Majibu

The soil in a natural rainforest remains fertile and suitable for agriculture because of the continuous replenishment of nutrients. The dense undergrowth and fallen leaves decay and return nutrients to the soil. Additionally, the abundant supply of sunshine and rainfall contributes to leaching the soil and removing any buildup of harmful substances. The vegetation in the rainforest is also very lush and dense, providing a continuous source of organic matter for the soil. Finally, the soil is well-drained, which prevents water from pooling and causing waterlogging or erosion. All these factors work together to maintain the fertility of the soil in a natural rainforest.






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