Why are biogas plants mainly located in ...

Why are biogas plants mainly located in the rural areas ?

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### Step-by-Step Solution: 1. **Understanding Biogas**: Biogas is a renewable energy source produced through the anaerobic decomposition of organic matter. It primarily consists of methane (CH4) and has a high calorific value. 2. **Anaerobic Decomposition**: The process of biogas production occurs in the absence of oxygen, where organic materials, such as animal dung, are broken down by microorganisms. 3. **Raw Materials for Biogas**: The main raw material for biogas production is animal excreta, particularly cow dung. This is because rural areas have a higher population of livestock compared to urban areas. ...

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Biogas contain mainly

`CO, CO_2 and H_2`

`CH_4, H_2, N_2O`

only `CH_4 `

`CH_4, CS_2 , CO`

(A) : Biogas plants are usually build in rural areas. Cattle dung is available in large quantities.

If both (A) and (R) are true and (R) is the correct explanation of (A).

If both (A) and (R) are true but (R) is not the correct explanation of (A).

If (A) is true but (R) is false.

If both (A) and (R) are false.

CAM -plants are mainly

Succulent xerophyte

Hydrophytes

Epiphytes

None of the above