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(1b) (I) A is used for ploughing the soil while B is used for primary tillage. (II) A is used to turn over top soil before planting while B is used for making ridges.
(1c) I - Beam cap II - Standard beam III - Frame
(1d) (i) A is stronger than B (ii) A can be used in tropical region while B cannot (iii) A can be used in clayey soil while B cannot
(1e) IV - Mouldboard V - Share point VI - Vertical disc hitch
(1f) (i) Hoe (ii) Cutlass ==========================
3a) E- coco nut tree F- bod pest G- tuber
3b) i)palm oil ii)soap production
3c) pest: birds disease: palm bud
3d) i)leads to scientific resreach and discovery ii)it destorys the plant for a form of ecosystem =========================
4a) H- Cat fish I- hen
4d)source of carbohydrate Serve as food food
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