What is meant by soil erosion?
2. What is soil conservation?
3. What is meant by afforestation?
4. When is 'Earth Day celebrated every year?
5. What do the three Rs stand for?
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1. Soil erosion is a naturally occurring process that affects all landforms. In agriculture, soil erosion refers to the wearing away of a field's topsoil by the natural physical forces of water
2.Soil conservation is the prevention of loss of the top most layer of the soil from erosion or prevention of reduced fertility caused by over usage, acidification, salinization or other chemical soil contamination.
3. Afforestation means planting trees on an area of land in in order to form a forest.
4. Earth Day celebrated on 22nd April every year.
5. The three R's are :-Reduce, Reuse and Recycle.
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