Improve the grammaticality of this sentence: We all know that the world's energy reserves are limited, especially the fossil fuels widely used all the time.
The world's energy reserves are limited, and the world's energy is limited.
- The world's energy reserves are limited, and the world's energy is limited.
- The world's energy is limited, and the world's energy is limited.
- The world's energy is limited, and the world's energy is limited.
- The world's energy is limited, and the world's energy is limited.
- The world's energy is limited, and the world's energy is
The world's energy reserves are limited.
The word "the world's energy reserves" is used to express the fact that the world's energy reserves are limited.
The word "the world's energy reserves" is used to express the fact that the world's energy reserves are limited.
The word "the world's energy reserves" is used to express the fact that the world's energy reserves are limited.
The word "the world's energy reserves" is used to express the fact that