Why is the humus layer typically thicker in a cool, temperate, forest soil than in a tropical rainforest soil?

Question

Quizplus · Accepted Answer

In cool, temperate forests, the cooler temperatures slow down the decomposition process, allowing organic matter to accumulate and form a thicker humus layer. In contrast, the warm, moist conditions of tropical rainforests accelerate decomposition, leading to a thinner humus layer despite the high productivity of these ecosystems.

Why Is the Humus Layer Typically Thicker in a Cool