Làm giúp ạ, đang cần gấp, cảm ơn trước ạ

cho biết ý nghĩa của các số sau : rượu 45o

Để nhận biết bình riêng đựng các khí không màu sau đây: 1,propan, hidro 2,propen, hidro Dùng hóa chất nào?

USE THE CUE WORDS TO WRITE THE COMPLETE SENTENCES. 1. Her teacher / said / she / be / good / science subjects. 2. Would / you / mind / post / this / letter / me? 3. My / boss / want / me / send / this / email / before / afternoon. 4. this / time / Saturday / he / drive / to / airport. 5. Nick / tell / that / he / go camping / his classmate / next day. 6. My sister / work / accountant / four year / before / she / promote. 7. Science / technology / the key / development / many / feilds / our life / and / will bring / lot / more benefits / people. 8. What / you / do / in / a / year / from / now? 9. She / mot like / disturb / when / work. 10. They / live / that house / ten years.

C1 : 3x - 17 = x + 3 C2 :25 - ( x - 5 ) = -415 - ( 15 - 415 ) C3 : |x - 3|-12 =|-5| C4 : (2x- 15) (3-x) = 0 C5 : 2x - 15 = -47

Mình đang cần gấp lắm . Mai nộp rồi

Tính chất nguy hiểm của vũ khí, cháy nổ, chất độc hại?

Giúp mình với phải đúng nha vote5 sao

REWRITE THE SENTENCES SO THAT IT HAS THE SAME MEANING TO THE FIRST 1. ''I ' ll phone you and inform him about it tomorrow.'' he said → He promised ....... 2. It is Tan' s 15th birthday next week. → Tan will ........ 3. They will widen the gate to let the cars run into the yards easily. → The gate ........ 4. As soon as we got on the plane, the pilot told us to get off again. → We had just ........... 5. Scientists have invented new devices to help people live a longer life. → New devices ........... 6. Barbara isn' t trying to solve her finacial problems. → Barbara is making ........ 7. I don' t have enough time, so I can' t go on holiday this summer. → If ........ 8. The environment is polluted. Bird leave their habitats and plants die. → The polluted environment makes .......... 9. The food is contaminated. People' s health is poor. → The contaminated food result ......... 10. She can' t tell you because she don't know the answer. → If ........... 11. I' m not you, but I think you should recycle these plastic carrier bags. → If .......... 12. ''The story about that happened long ago'' she said. → She said ........... 13. If I were rich, I would buy a new car. → Were I ........... 14. If I were rich, I would buy a new car. → Were I ............. 15. They didn' t eat breakfast this morning, so they are hungry now. → If ...............

Nhân tố quan trọng nhất ảnh hưởng đến sự phân hóa của khí hậu trên trái đất A.thảm thực vật B.biển và lục địa C.Vĩ độ D.Hoàn lưu khí quyển Giúp tui vs nha