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Question
Following are a few organisms
(a) lichen (b) mosses (c) mango tree (d) cactus Which among the above can grow on stones; and also help in the formation of soil? Write the mode of their action for making soil.
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Solution
Lichens and mosses i.e. (a) as well as (b). Lichens and mosses produce chemicals that break down the stones, resulting in soil formation.
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