Biogas plants are popular in rural areas primarily because there is an abundance of organic raw materials such as animal waste, crop residues, and other organic matter that can be used for biogas production.
Step 1: Analyzing each option.
- (A) There is plenty of organic raw materials in rural areas: Correct. Biogas plants thrive in rural areas because organic raw materials such as cow dung, crop waste, and other agricultural residues are readily available.
- (B) It increases the reliance on fossil fuels: Incorrect. Biogas reduces reliance on fossil fuels by using renewable organic materials for energy.
- (C) The farmers are dependent on the manure produced in biogas plants: Incorrect. Although biogas plants produce manure as a byproduct, the primary reason for their popularity is the energy they provide, not just the manure.
- (D) It is a non-renewable source of energy: Incorrect. Biogas is a renewable source of energy, as it is produced from organic materials that can be replenished.
Step 2: Conclusion.
Therefore, the correct answer is (A), as biogas plants are popular in rural areas due to the abundance of organic raw materials.
Final Answer:} There is plenty of organic raw materials in rural areas.