The soil that occurs in regions with extreme wet and dry seasons is known as "black soil."
Black soil:
- Chernozem is another name for black soil.
- It is largely composed of humus, phosphoric acid, phosphorus, and ammonia.
- Exceptionally small or clay-like particles constitute black soils.
- Deep gaps form during warmer weather, resulting in appropriate aeration.
Black soil characteristics include:
- It is extremely fertile and has a clay-like texture.
- At 25°C, the pH of black soil ranges from 7.2 to 8.5.
- The soil has high levels of potash, calcium, and magnesium but low levels of nitrate and phosphate.
- It is often soft when damp but hardens as it dries.
Know more about Soil at: brainly.com/question/19696600
The earth consist of lands, water, air, hydrosphere , and all the organisms that live on top of it
And Biosphere cover all of these things
Which means that the portion of earth that is included in the biosphere is 100 % of it
hope this helps
The ocean made discovery of new land more difficult, require more materials and expensives, but if not for the ocean we would never have wanted to take a short cut to india not bringing us to america instead. <span />
