State the role of algae - weathering, Science

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State the Role of Algae - Weathering

Algae also plays an important role because it brings about increase in organic matter due to photosynthesis. The organic matter and CO2  form H 2CO3  which dissolves various minerals and results in the breaking of rocks. Growing plant roots are capable of splitting many rocks. Constant digging by animals also adds slowly to physical disintegration. In addition, humus accelerates the slow process of physical weathering by ploughing and cultivation.   


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