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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.
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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