Why the earth have morning and night?

Why the earth have morning and night? why did nelson have the idea for earth day不是翻译 I'm seventy years old . I have circled the earth for seventy 翻译成中文 Why the water is the origin of life on earth? why should we protect the Earth?英语作文 Why the earth is becoming warmer and warmer? Why is the earth not too hot or too cold? To protect the Earth,we plant___trees every year.A.million of B.millions C.millionD.millions of2.It's impoetant for us to protect the Earth____we have only one Earth.A.because B.because of C.why D.so原因! l’m feeling under the earth why should we call the earth we live怎样用英语回答？10~20字 原句是why should we call the earth we live on our mother earth 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 Why does the Earth move?Why does it rotate around the Sun?Why does it spin anticlockwise? 帮我写三篇英语作文吧,三篇英语作文的题目分别是The cold winder.Why do you study English?We have only are earth.第一个题目是 The cold winter。第二个是 Why do you study English？第三个是 We have only one earth。 We have only one Earth,so you have to love the earth; the earth is only one me,so you have to lov She will tell us why she feels so strongly that each of us has a role____in making the earth a b...She will tell us why she feels so strongly that each of us has a role____in making the earth a better place to live.A.to have played　　B.to play C.t A. Putting direct speech into indirect speech:21. Putting direct speech into indirect speech:(1) Scientists say, “The earth moves round the sun.” (2) The teacher asked me, “Have you finished your work yet?:” (3) “Why didn’t you come What ( ) are you doing You have been sitting there for four hours .A ,on earth B in earth,C .on the earth D in the earth We have three kinds of (pollute)on the earth