CBSE Class 9 Biology Natural Resources
Which of the following contributes to soil formation?
Decomposition of rock and minerals to form soil is called
What are the human activities which contribute to water pollution?
- How do you conserve water
what is soil erossion
- Define soil erosion.
- Name the different types of soil.
- How rainfall related to soil erosion?
- Classify soil on the basis of agricultural point of view.
- Explain the formation of soil.
- What is the importance of water?
- What is soil?How is it formed? State the major factor that decides the structure of soil. What role does it play?
- Our Earth is covered with approximately 75% water still there is an urgent need to conserve water. Why?
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