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Agro-Allied Industries and Relationship between Agriculture and Industry2 Topics1 Quiz
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Environmental Factors Affecting Agricultural Production5 Topics1 Quiz
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Rock Formation6 Topics1 Quiz
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Soil Formation and Profile Development3 Topics1 Quiz
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Types, Composition and Properties of Soil10 Topics1 Quiz
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Simple Farm Tools: Uses and Maintenance2 Topics1 Quiz
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Farm Machines and Implements6 Topics1 Quiz
Topic Content:
- Economic Importance of Rocks to Man
1. Domestic Uses: Some rocks, like granite, are used as grinding stones.
2. For Research Purposes: Some rocks are used by scientists for research purposes. Scientists use rocks to learn about the history of the Earth, its composition, climate and other phenomena.
Geologists are scientists who study a planet’s solid features, like soil, rocks, and minerals.
3. Sources of Minerals: Some rocks are sources of minerals
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