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- 1. Question
Agricultural yields can be improved by the following methods except___________________
- 2. Question
Terracing and ________________________ should be done to prevent soil erosion on slopes
- 3. Question
Ancient methods of food preservation include the following except______________________
- 4. Question
- 5. Question
Loss of perishable foods such as meat, milk, eggs, fruits and vegetables on the way to the market is very high in the __________________ due to the high temperature there.