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Tick the correct answer.1. Soil contains a. nitrates b. phosphate C. sulphates d. all of these 2. Humus is made from dead and decaying matter. a. inorganic b. organic c. metallic d. non-metallic 3. B-horizon is also called a. soil b. topsoil c. subsoil d. bedrock 4. Which of the following organisms make the soil porous? a. Algae b. Fungi c. Earthworm d. Protozoa 5. Soil erosion is caused due to a. vegetation b. deforestation c. overgrazing by animals d. b and c 6. Soil with smallest particle size is a. clayey b. loamy C. sandy d. both a and b |
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Answer» Answer: 1 . d 2. b 3. c 4.c 5.d 6.d |
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