Question

Short Answer Questions:
1. How is soil useful for living beings?
2. How does step farming help in soil conservation?​

Answer 1

Answer:

Ans 1. Soil is our life support system. Soils provide anchorage for roots, hold water and nutrients. Soils are home to myriad micro-organisms that fix nitrogen and decompose organic matter, and armies of microscopic animals as well as earthworms and termites. ... Soil plays a vital role in the Earth's ecosystem.

Ans 2. Three processes are most important which help reduce soil erosion if terrace farming is practiced. It drastically reduces the speed of downward water flow over the soil body and thus soil movement with the water flow. It lets the water move into the soil.

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Answer 2

Answer:

ans 1.) uses of soil are:-

∆ Soil is our life support system.

∆ Soils provide anchorage for roots, hold water and nutrients.

∆ Soils are home to myriad micro-organisms that fix nitrogen and decompose organic matter, and armies of microscopic animals as well as earthworms and termites.

∆ Soil plays a vital role in the Earth's ecosystem.

ans2.) step farming is also known as terrace farming . In terrace farming, a terrace is a piece of the sloped plane that is cut into a series of successively receding platforms, that resemble steps. This prevents rain from washing away soil, hence preventing soil erosion.

Explanation:

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