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Friday, 17 January 2020
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class 7th subject- science ch-9 ,,soil
SOIL HUMUS -> The rotting dead matter in the soil is know as hums . WEATHERING -> The soil formed by the breaking down of...
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PASSAGE READ THE FOLLOWING PASSAGE CAREFULLY AND ANSWER THE QUESTIONS As the family sets off form home after many arguments there is...
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SOIL HUMUS -> The rotting dead matter in the soil is know as hums . WEATHERING -> The soil formed by the breaking down of...