Question

6. How do soil organisms obtain air? for 7th cbse​

Answer 1

⠀⠀ ⠀ ⠀⠀ $\huge{\tt{\red{❥}\green{A}\purple{N}\pink{S}\blue{W}\orange{E}\red{R}}}$Plants, animals and micro-organisms (fungi and bacteria) all affect soil formation by producing or contributing to humus production. ... These organisms can be either autotrophs, obtaining carbon from air and energy by photosynthesis or oxidation, or heterotrophs, obtaining carbon by breaking down organic materials

Answer 2

Answer:

Soil formation is influenced by organisms (such as plants), micro-organisms (such as bacteria or fungi), burrowing insects, animals and humans. ... This begins to change the soil. Bacteria, fungi, worms and other burrowers break down plant litter and animal wastes and remains, to eventually become organic matter

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