Câu 9. Khi ta sạc diện thoại hay sạc bình ắc-qui thì dòng diện khi đó gây ra tac dụng A. nhiệt. B. quang. C. từ. D. Hóa học.

Thực chất của quá trình hình thành loài mới và vai trò của các nhân tố tiến hóa đối với quá trình nay ?

mình đang cần gấp ai làm được mình vote 5 sao xin cảm ơn

IX.Complete the following sentences with prepositions of time: at, on, in, before, after. 1. I haven’t seen Mai for a few days. I last saw her Tuesday. 2. The price of petrol will go up November. 3. I’ll phone you Tuesday morning about 10 o’clock. Isn’t it OK? 4. His father died 2005. 5. Are you doing anything special the weekend? 6. Sunday afternoons I usually go for a walk. 7. Mr. Brown enjoys walking around his garden night. 8. I woke up five o’clock the morning. 9. Mai’s birthday is April 10th. 10. My brother graduated from high school June 2004. 11. Did you phone your teacher the day yesterday? 12. My parents will get back from their holiday the day tomorrow.

x : 2 $\dfrac{2}{15}$ = -0,625

Ai điền cho mình câu 4,6,8,9,11,12,13,15,18,19 với ạ. Mình cảm ơn

Giúp mình bài 1&2 ạ, mình cần ktra lại đáp án

Giúp e vs phần tự luận khó quá lớp 7 ạ Em cảm ơn nhiêu

VI.Read the following passage and complete the sentences. In 1920, after some thirty - nine years of problems with disease, high costs, and politics, the Panama Canal was officially opened, finally linking the Atlantic and Pacific Oceans by allowing ships to pass through the fifty-mile canal Zone instead of traveling some seven thousand miles around Cape Horn. It takes a ship approximately eight hours to complete the trip through the canal and costs an average of fifteen thousand dollars, one-tenth of what it would cost an average ship around the Horn. More than fifteen thousand ships pass through its locks each year. The French initiated the project but sold their rights to the United States. The latter will control it until the end of the twentieth century when Panama takes over its duties. 1. “Initiated” is nearest in meaning to.............................. 2. The passage is about.............................. 3. On the average, it would cost $150,000 to travel.............................. 4. The construction on the canal probably began.............................. 5. Despite all the ..............................involved, the project is beneficial.

giúp em với mọi người . Em cảm ơn trước ạ