Why the earth is becoming warmer and warmer?

Why the water is the origin of life on earth? Why the earth is becoming warmer and warmer? Why is the earth not too hot or too cold? Do you know ______around the earth?A why the moDo you know ______around the earth?A why the moon goesB why the moon goC why does the goD why is the moon go答案是A为什么?为什么要用单三 The fact____the earth is round is rightA /B that C whichD WHY Why the earth have morning and night? The moon is ------ ---- ----- the earth. ___is known to us all is that the earth is smaller than the sun.why not use what.why not use it The reason why the earth is different from other planets______(go) around the sun is that waterbegan to appear on its surface after the earth cooled down.这空填什么形式?为什么? The sun is much ___than the Earth. The moon is bigger than the earth. Is the moon nearest to the Earth the moon is near to the earth The earth is the third planet. what is the shape of the earth? The earth is the third planet. when is the end of the earth? why should we protect the Earth?英语作文