Yêu cầu a) cho biết văn bản trên viết về đối tượng nào và vấm đề gì. Các đoạn văn đã trình bày đối tượng và vấn đề theo trình tự nào ? Theo em, có thể thấy đổi trình tự sắp xếp này được không? Vì sao ?

Chuyên toán ơi giải chi tiết nha

co2 có pứ với h2s không, nếu có viết pthh( không lên mạng coi pthh rồi bảo là có pứ nhá )

Giúp mình đề trong ảnh nhé (Sinh học 9)

Giúp em b2 câu b với ạ Em cảm ơn ạ🥰

Tìm giá trị nhỏ nhất của các thức sau : 11. N= x ² + x ; 12. L= x ²-x

Những nét chính lịch sử Châu Phi 1975 1994

Give the correct form of the verb in brackets. 1.I (not decide) ________________________ to move to York yet. 2. (you see Nam) ________________________? – No, I (be) _________________busy this week. I (know) ________________ he (come back) ________________________. I (see) ________________________ him this weekend. 3. Daisy’s family (buy)______________________ a new house in Cambridge last month. It(be )_____________ a beautiful and livable city , so they (live) ___________________there forever. 4. I (finish) __________________________all the decoration in my new apartment before Christmas. 5. These refugees (support) ________________________ accommodation by the government in few days. II. Use the correct word form of the word​in brackets. 1. There is no _________________________in the countryside, (entertain) 2. She has no parents or close ____________________ (relate) 3. People in the country are often ____________________ than people in the city. (friend) 4. Farmers are always faced with______________________ ____________________________by typhoons, floods or droughts. (destroy/ bring about ) 5. A lot of people believe that well-paying jobs are______________________ in the city. (plenty) 6. Increased pollution is another______________________ result. (please) 7. The air is ______________________polluted with traffic fumes. (heavy) 8. They made a decision to close down the factory _________________ (permanence) 9. Joyce thinks her hometown is a very ______________place. She really get __________________there, (bore) 10. The remote desert area is _________________only by helicopter, (access) III. Rewrite each Sentence using phrasal verbs, so that the meaning stays the same 1. Do you meet any difficulties to get a visa? ​(up)​ à ____________________________________________________________________________________________________________ 2 I felt really annoyed at your ceaseless complaints. (with)​ à______________________________________________________________________________________________________________ 3 The meeting has begun, but no officials is present (up) à ____________________________________________________________________________________________________________ 4 Can you get information about what time the next train to Hue is. (out) ​​​ à ____________________________________________________________________________________________________________ 5 Be optimistic! Everything will be ok (up). à ____________________________________________________________________________________________________________ 6 The film wasn’t worth our expectation.(to) ​ ____________________________________________________________________________________________________________

ai đó làm giúp mk với gấp lắm rồi

Đọc văn bản tấm cám và trả lời những câu hỏi dưới đây