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All these processes aid in the development of nutrient-rich Hawaiian soils?

a) Volcanic rocks contain minerals susceptible to hydrolysis.
b) Volcanic rocks contain minerals rich in iron, so they are susceptible to oxidation.
c) Minerals in the volcanic rocks produce clay minerals as weathering by-products.
d) There is abundant rainfall.

2 Answers

3 votes

Final answer:

Processes developing nutrient-rich Hawaiian soils include hydrolysis of volcanic minerals, oxidation of iron-rich volcanic rocks, formation of clay minerals through weathering, and the contribution of abundant rainfall to soil processes. Pioneer species also play a role in breaking down lava into fertile soil.

Step-by-step explanation:

The question asks about the processes that contribute to the development of nutrient-rich soils in Hawaii. The key factors influencing soil development are the weathering of parent material, the accumulation of organic matter, and the influence of climate and topography. In this context, Hawaiian soil development is impacted by various mechanisms:

  • Volcanic rocks containing minerals that are susceptible to hydrolysis, contribute to the soil's mineral content as they break down.
  • Volcanic rocks rich in iron undergo oxidation, which can change the soil's structure and nutrient content.
  • The weathering of minerals in volcanic rocks produces clay minerals, which are essential components of fertile soils.
  • Abundant rainfall in Hawaii helps in the physical and chemical breakdown of rocks and organic matter, contributing to soil richness.

Hawaii's soil is also influenced by primary succession where pioneer species like lichens aid in breaking down the lava into more fertile soil, allowing more diverse and complex plant communities to establish over time. The combination of these processes results in the development of highly fertile soils, suitable for diverse ecosystems.

User Tengku Fathullah
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3 votes

Final Answer:

All these processes aid in the development of nutrient-rich Hawaiian soils, including options a) Volcanic rocks contain minerals susceptible to hydrolysis,b) Volcanic rocks contain minerals rich in iron, so they are susceptible to oxidation,c) Minerals in the volcanic rocks produce clay minerals as weathering by-products,** and d) There is abundant rainfall.**

Step-by-step explanation:

Hawaiian soils benefit from a combination of geological and climatic factors. Volcanic rocks in Hawaii contain minerals that are susceptible to hydrolysis (option a). This process involves the breakdown of minerals through reaction with water, releasing nutrients that enrich the soil. Additionally, volcanic rocks in Hawaii are rich in iron, making them susceptible to oxidation (option b). Oxidation contributes to the release of iron compounds, further enhancing the soil's nutrient content.

The minerals in volcanic rocks also undergo weathering processes that produce clay minerals as by-products (option c). Clay minerals improve soil structure and nutrient retention, fostering a favorable environment for plant growth. Moreover, the abundant rainfall in Hawaii (option d) supports these weathering processes, facilitating the leaching and transportation of minerals to the soil.

In summary, the synergy of hydrolysis, oxidation, clay mineral production, and abundant rainfall in volcanic regions like Hawaii contributes to the development of nutrient-rich soils. These processes collectively create a fertile foundation for the vibrant and diverse ecosystems found in Hawaiian landscapes.

User Bob Kuhar
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