Yes, fossil fuels are the very important part of this earth in which we are living.
蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉蝉