. Partially decomposed organic matter in the soil is [-](a) regolith. [(c) [ (b)
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. Partially decomposed organic matter in the soil is [-](a) regolith. [(c) [ (b) bedrock. permafrost. solum. humus. (d) (e) iv- The force that causes water to rise in small tubular conduits within the soil is (a) (b) capillary action. field capacity. Ll (c) surface tension. (d) (e) the wilting point. evapotranspiration. xxv. Soil that is high in iron-bearing minerals is often (a) (b) white. black. yellow. (c Ll (d) red. (e) grey. The study of landforms and how they form is best called (a) (c) (e) xxvi. J (b) geomorphology. L1 (d) seismology paleontology. cartography. petrology vii. The solid iron and nickel inside the Earth forms its (a) inner core. [] (b) (c) (d) (e) outer core. lower mantle. upper mantle. asthenosphere.Explanation / Answer
23. The partial decomposed black coloured organic material which is responsible for the fertility of the soil is known as humus.
24. The force that causes fluid to rise in small tubular conduits and because of which the roots extracts eater from soil or the by which oil moves up in the porous wick is known as capillary action.
25. The yellow soil is yellow because it contain high volumes of oxidized ferric iron oxides which is because of high iron bearing minerals in that soil and hence the answer is yellow soil.
26. Geomorphology comprises of two words geo means earth and morphology means the various forms and hence geomorphology is the correct answer.
27. The solid inner core contains solid iron and nickel.
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