6. Which of the following tools would a farmer use to read (a) Hoe ) Plough (1) Axe Cultivator 7. Which of the following is not true for fertilisers? (a) They increase the vield. (6) Their excessive use disturbs the balance of nutrients (c) They are generally used in small quantity (d) They are environment friendly
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6-b , 7- d. they are the right answers
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