Question

4. Archana collects a soil sample which is very dark in colour. Identify the soil she
has collected. Give reasons for your answer.​

Answer 1

Answer:

Terra preta is a type of soil that is very dark in color and is very fertile in nature. It is found in amazon basins.

Explanation:

• The dark color of the soi is due to the organic matter that is present in the soil.
• When wet, it appears, even darker than the dry soil.
• Moreover, the presence of oxygen also changes the color of Oxygen.