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Which of the following is/are correctly matched?
1. Humus —————————————————– rotting dead material.
2. Weathering ——————————————- breaking down of rocks.
3. Soil profile —————— horizontal section of diiferent layers of soil.
Which of the following is/are correctly matched?
1. A horizon ——————————————————– soft and porous.
2. B horizon ——————————————————————— humus.
3. C horizon ———————————————————- lumps of rocks.
Which of the following is/are correctly matched?
1. Sandy soil —————————— greater proportion of big particles.
2. Clayey soil ———————————————————— fine particles.
3. Loamy soil ——————————————- mixture of clay and sand.