Question

C. Why can we not use these sources of energy more frequently?
1. Solar energy
2. Nuclear energy
3. Coal​

Answer 1

Answer:

solar energy I think so

Answer 2

Answer:

• These sources of energy lead to high levels of pollution.
• They may not be available forever.
• These products can become the foundation of political conflict.
• Combustion of these resources is dangerous to our health.

Hope it would be helpful :)