state gov APPSC Forest/Assistant Beat Officer (ఫారెస్ట్/అసిస్టెంట్ బీట్ ఆఫీసర్) (Pre + Mains) Mock Test 2025 People Development & Environment Natural and Energy Resources Renewable
Which of the following is a disadvantage of most of the Renewable Energy Sources?
1
Unreliable supply
2
High waste disposal cost
3
Excessive pollution
4
High operating cost