Mining depletes mineral resources, disrupts land and ecosystems, and can cause pollution. It often leads to habitat destruction and can have long-term negative effects on the environment and surrounding communities.
Category: Class 6 Science
NCERT Solutions and Important Questions for class 6 Science for CBSE exams 2020-2021.
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Yes, earthworms are crucial for soil health. They burrow through the soil, which helps in turning and loosening it, improving aeration and drainage. Their activity also aids in the decomposition of organic matter.
Soil forms through the weathering of rocks and organic matter decomposition. Over time, physical and chemical processes break down rocks, and living organisms contribute organic material, creating the layers and nutrients essential for fertile soil.
Rocks and minerals are transported using various methods, including trucks, trains, and ships. They are often carried in bulk containers or specialized vehicles to ensure safe and efficient movement from mining sites to processing or selling locations.
To reduce air pollution, use public transport or carpool, switch to cleaner energy sources, reduce industrial emissions, promote green spaces, and adopt energy-efficient practices. Supporting policies and raising awareness also help improve air quality.