Respuesta :
Answer:
They inconsistent or unreliable as an energy source.
Explanation:
Hope it helps.
Answer:
They are expensive to collect and transform in energy bcz:
Explanation:
At the same time, as we use up fossil fuels such as coal, oil, and natural gas, these non-renewable resources will become more expensive. At some point, even if renewable energy costs are high, non-renewable energy will be even more expensive