Fill in the blanks.
1. Land covers about ______ per cent of the Earth's surface.
2. The importance of soil lies in its ______.
3. Regur is the local name for ______ soil in India.
4. Rainwater harvesting is mostly practised in ______ and ______.
Answer (2)
Land covers 30% of the Earth's surface, and soil is important for its nutrient content for plants. Regur refers to black soil in India, and rainwater harvesting is primarily practiced in arid and semi-arid regions.
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Land covers about 29 per cent of the Earth's surface.
The importance of soil lies in its fertility . Soil provides essential nutrients for plants, supports microorganisms, and retains water, which are all crucial for growing crops and sustaining various ecosystems.
Regur is the local name for black soil in India. Black soil, also known as regur soil, is highly fertile and particularly suitable for growing cotton, making it prevalent in regions like Maharashtra, Madhya Pradesh, and Karnataka.
Rainwater harvesting is mostly practised in arid and semi-arid regions. This practice is essential in these areas due to the limited availability of water resources. It's also widely used in places like Rajasthan in India and parts of Africa and Australia, where efficient water management is crucial for survival and agriculture.
